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Dead Phone Anxiety Hits Different on a Long Travel Day

A dead battery at the airport or halfway through a commute can turn a productive day into a frustrating one. That’s exactly why so many buyers look for a reliable anker power bank yellow that balances battery capacity, USB-C charging output, and a design that’s easy to grab and go. This roundup covers 8 portable chargers from Anker and INIU, ranging from slim 5,000mAh magnetic packs to beefy 25,000mAh laptop-ready units with built-in USB-C cables. Capacities span from 5,000mAh up to 25,000mAh, and listed outputs range from basic wireless charging up to 100W per USB-C port. Some models support Qi2-certified 15W wireless charging, while others focus on high-wattage wired output for laptops and tablets.

After carefully analyzing the listed product specifications, port configurations, and compatibility details, each pick below serves a different type of buyer. If you need a pocket-friendly magnetic charger for your iPhone, there are multiple options here under 0.6 inches thin. Need something that can handle a MacBook or a Dell laptop? The higher-capacity models with 65W or 100W USB-C output may fit that role. You’ll also find models with Apple Watch charging, foldable kickstands, and detachable lanyard cables. If you’re interested in ultra-slim 10,000mAh Anker power banks, we’ve covered those separately. For travelers who need multi-port setups, our guide to multi-port Anker power banks for travel is also worth a look.

1
Best Seller

Anker MagGo 10,000mAh 35W Portable Charger

Anker
9.9 /10
BLW Score
BLW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Anker MagGo Power Bank for Apple Watch pairs a 10,000mAh battery pack with a 30W USB-C output and an officially certified 5W Apple Watch charger. It is an ideal 2-in-1 travel solution for iPhone and Apple Watch owners wanting fast wired and wireless backup without carrying separate watch cables.
Pros & Cons

Pros

  • Official Apple-certified 5W fast wireless charging supports rapid top-ups for compatible Apple Watch models
  • Built-in USB-C cable and dedicated port provide up to 30W high-speed charging without packing extra cords
  • Recharges rapidly in around 1.5 hours when paired with an optional 30W USB-C wall adapter
  • Ultra-compact form factor similar to the size of a standard computer mouse makes everyday carry effortless

Cons

  • The wireless charging surface is strictly for Apple Watch and cannot wirelessly charge an iPhone or AirPods case
  • Does not include a 30W wall charger in the box to achieve the maximum 1.5-hour recharge speed
  • Carries a premium price compared to standard 10,000mAh battery packs that lack specialized smartwatch charging
Detailed Review

The Anker MagGo Power Bank for Apple Watch is a compact 10,000mAh portable charger designed specifically for Apple users, frequent flyers, commuters, and everyday-carry enthusiasts. It integrates an officially certified adjustable Apple Watch charging module alongside a built-in USB-C cable and an auxiliary USB-C port. Instead of hauling multiple charging cords and proprietary watch pucks on flights or daily office trips, users get a single palm-sized device capable of keeping their daily mobile essentials powered.

In terms of charging performance, the battery pack delivers up to 30W via USB-C and 5W through the dedicated watch charging pad, yielding a maximum combined output of 35W when powering both devices at once. The certified watch module is designed to power an Apple Watch Series 9 to 47% in just 30 minutes, avoiding the slow charging rates common with non-certified wireless pads. The 10,000mAh nominal capacity is estimated by the manufacturer to provide roughly two complete charges for an iPhone 15 Pro or up to 11 full recharges for an Apple Watch Series 9. With up to 30W wired output, it easily supports fast charging on modern smartphones, small tablets, and compact USB-C gear, though exact charging speed always depends on the connected device's individual power profile.

The physical build emphasizes travel convenience, measuring 3.74 x 2.01 x 1.28 inches and weighing just 0.52 pounds. Its footprint is comparable to a standard computer mouse, allowing it to slide easily into a jacket pocket, commuter backpack, or purse. The adjustable Apple Watch charging pad tilts to support the watch flat or angled upright for nightstand visibility, while the integrated USB-C cable stows neatly along the green housing. This clever hardware integration significantly reduces loose cable clutter during travel.

Routine handling and recharging are notably efficient due to bidirectional 30W USB-C input support. When connected to a compatible 30W USB-C wall adapter (sold separately), the power bank can fully recharge in approximately 1.5 hours, making it easy to refresh during quick airport layovers or overnight hotel stays. Because lithium-ion battery packs are subject to aviation guidelines, this 10,000mAh capacity sits well within standard airline carry-on limits, though travelers should always consult current airline and regulatory policies prior to flying.

Despite its versatility, this portable charger presents realistic tradeoffs that buyers should factor into their decision. The wireless charging surface functions exclusively for the Apple Watch, meaning it cannot wirelessly charge Qi or Qi2 smartphones or earbuds cases; those devices must rely on the wired USB-C connection. Furthermore, while 30W handles phones and tablets with ease, it is not designed to power high-demand laptops requiring higher sustained wattage. Anker also does not bundle a wall adapter, requiring buyers to supply their own 30W charger to achieve the fastest recharge times.

For iPhone and Apple Watch owners looking to streamline their daily carry and eliminate dedicated watch cables, the Anker MagGo Power Bank offers an exceptionally well-tailored charging package. The combination of official Apple Watch fast charging, 30W wired capability, and mouse-sized portability provides outstanding practical utility. However, shoppers who require magnetic wireless phone charging on the go or high-wattage laptop charging will be better served by a larger Qi2 magnetic power bank or a 65W high-output portable charger.

Charging Performance

This power bank delivers up to 35W of combined output, allocating up to 30W to the USB-C connection and 5W to the dedicated Apple Watch magnetic charging surface. When used individually, the USB-C port or integrated cable can supply the full 30W, enabling fast charging for compatible smartphones, tablets, and small electronic devices.

The Apple Watch charging module is officially certified, allowing an Apple Watch Series 9 to reach roughly 47% charge in 30 minutes. The 10,000mAh nominal battery pack can also recharge itself in about 1.5 hours when connected to a 30W maximum USB-C power source, keeping downtime to a minimum.

Portability & Travel

Weighing only 0.52 pounds and measuring 3.74 x 2.01 x 1.28 inches, this portable charger matches the general size of a desktop mouse for hassle-free storage in pockets, travel kits, and carry-on bags. The integrated USB-C cable doubles as a convenient carrying loop while eliminating the need to pack extra charging cords for mobile devices.

With a 10,000mAh battery rating, the unit falls within standard airline passenger carry-on guidelines, making it a convenient power source for long flights and road trips. Travelers should always check specific airline and regulatory rules regarding spare lithium battery transport before flying.

2
Editor's Pick

Anker Zolo 20,000mAh 30W Portable Charger

Anker
9.9 /10
BLW Score
BLW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Anker Zolo 20,000mAh Power Bank delivers 30W two-way fast charging with the grab-and-go convenience of an integrated USB-C cable. It is a practical, high-capacity solution for commuters, students, and travelers wanting reliable multi-charge backup for phones and tablets without packing loose cords.
Pros & Cons

Pros

  • Generous 20,000mAh capacity provides multi-day reserve power for smartphones and mobile gear
  • Built-in 5.98-inch USB-C cable means one less accessory to pack, tangle, or misplace
  • Capable 30W two-way fast charging delivers swift power to compatible phones and accepts 20W recharge input
  • ActiveShield 2.0 continuous thermal tracking helps protect devices against excessive heat during charging
  • Sturdy, compact form factor makes efficient use of space for a 20K pack

Cons

  • At approximately 12.45 ounces (0.8 pounds), it is noticeably heavier than smaller 5,000mAh or 10,000mAh pocket batteries
  • The integrated 5.98-inch cable is relatively short, keeping the connected device right against the battery bank
  • Maximum 30W output cannot supply full-speed charging for larger USB-C laptops that require higher wattages
Detailed Review

The Anker Zolo Power Bank is a high-capacity portable charger designed for mobile users who need substantial backup power on the go. Built around a 20,000mAh nominal battery capacity and equipped with 30W two-way fast charging, this unit serves smartphone power users, daily commuters, college students, and long-distance travelers. Rather than requiring users to carry separate charging cables, it integrates a durable USB-C cord directly into the chassis for seamless mobile power delivery.

Charging performance centers on a versatile 30W output that supports rapid power delivery for modern smartphones and portable electronics. According to manufacturer specifications, this power bank can recharge an iPhone 15 from zero to 57 percent in roughly 30 minutes, while the 20,000mAh reservoir is rated to provide up to 4 charges for an iPhone 15 or 3.79 charges for a Samsung Galaxy S24. While nominal battery capacity differs from actual delivered energy due to voltage conversion and circuit resistance, the available pool provides ample reserves for multi-day trips. Additionally, the unit supports 20W input, enabling faster replenishment of the power bank itself when plugged into an adequate USB-C wall adapter.

Build quality highlights practical durability with an integrated 5.98-inch (15.2 cm) USB-C cable designed to withstand more than 10,000 bends. Measuring 4.72 by 2.89 by 1.24 inches and weighing approximately 12.45 ounces, the black housing balances a dense energy payload with a travel-ready form factor. For thermal and electrical safety, the battery pack incorporates Anker ActiveShield 2.0 technology, an intelligent power management system that monitors internal temperatures millions of times daily to actively adjust power output and protect connected devices.

Everyday handling is simplified by the all-in-one cable design, eliminating clutter in backpacks, purses, and carry-on bags. The short integrated cable keeps connected phones tidy during transit, whether sitting on an airplane tray table or tucked into a side pocket. Recharging the power bank is straightforward via its two-way USB-C connection, allowing users to restore energy levels overnight. The casing feels sturdy on flat desks, making it a reliable desk-side companion during power outages or mobile study sessions.

Potential buyers should consider a few realistic tradeoffs inherent to high-capacity chargers. Weighing roughly 0.8 pounds, the unit is substantially bulkier than slim 5,000mAh or 10,000mAh pocket-friendly chargers, making it better suited for bag carry than shallow pants pockets. Furthermore, while the built-in 5.98-inch cable ensures you never forget a cord, its short reach restricts movement if you want to use your device actively while charging. Finally, while 30W is plenty of power for smartphones and small tablets, it will not deliver full-speed charging for power-hungry laptops.

This portable charger is an outstanding match for travelers, daily commuters, and multi-device users who want high backup capacity paired with built-in cord convenience. Buyers needing an ultralight emergency charger or high-output laptop power station should consider alternative categories. For mainstream smartphone and tablet owners seeking multi-day power reserves and rapid 30W delivery, the Anker Zolo 20,000mAh power bank represents a practical, well-engineered investment.

Charging Performance

The Anker Zolo Power Bank offers 30W two-way fast charging designed to match the rapid-charging capabilities of modern mobile devices. The manufacturer notes that compatible devices, such as the iPhone 15, can reach up to 57 percent charge in 30 minutes under optimal conditions. The two-way architecture also applies to input, allowing the unit to recharge at up to 20W when connected to a compatible wall charger.

With a nominal rating of 20,000mAh, the power bank delivers extensive battery backup across repeated charging cycles. Manufacturer estimates indicate up to 4 complete charges for an iPhone 15 and 3.79 charges for a Samsung Galaxy S24. To keep performance consistent and safe across extended charging sessions, ActiveShield 2.0 temperature management tracks thermal levels continuously and dynamically adjusts output power.

Portability & Build

Measuring 4.72 by 2.89 by 1.24 inches and weighing 12.45 ounces (approximately 0.8 pounds), the Anker Zolo 20K balances high energy density with a compact profile. The integrated 5.98-inch USB-C cable stores flush against the casing, reducing cord clutter and preventing broken or misplaced accessories during daily travel.

The cable construction is reinforced to endure more than 10,000 bends, ensuring long-term resilience for frequent commuters and backpack travelers. The compact exterior makes it easy to slip into travel bags, laptop sleeves, or daypacks, providing substantial backup energy without demanding excessive cargo space.

3
Limited Time

Anker MagGo 10,000mAh Qi2 Slim Power Bank

Anker
9.8 /10
BLW Score
BLW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Anker MagGo 10,000mAh Slim Power Bank is a compact Qi2-certified magnetic portable charger delivering up to 15W wireless charging and up to 30W wired USB-C output. It is a top recommendation for iPhone 12 through 16 users who want cable-free magnetic convenience and rapid wired backup in a slim profile.
Pros & Cons

Pros

  • Official Qi2 certification enables full 15W magnetic wireless charging speeds on supported iPhones.
  • Versatile 30W maximum wired USB-C port gives users a significantly faster charging option when plugged in.
  • Remarkably slim 0.58-inch form factor that slips easily into pockets without unnecessary bulk.
  • Aerogel thermal insulation and solid metal frame provide premium build quality and heat management.
  • Generous 24-month warranty coverage supported by included USB-C charging cable.

Cons

  • Manufacturer explicitly does not recommend this model for Android phones due to physical fit and alignment limitations.
  • Offers only a single USB-C port alongside the wireless pad, limiting simultaneous wired multi-device charging.
  • Wireless charging speed is capped at 15W, which is slower than using the 30W wired USB-C connection.
Detailed Review

The Anker MagGo 10,000mAh Slim Power Bank is a dedicated Qi2-certified magnetic portable charger built specifically for iPhone users seeking reliable on-the-go power without excess bulk. Engineered around the dimensions and magnetic arrays of the iPhone 12 through iPhone 16 lineups, this battery pack combines a 15W wireless charging surface with a 30W wired USB-C port. It directly serves commuters, airline passengers, university students, and professionals who prioritize clean magnetic attachment over carrying loose charging cables during a busy workday away from wall outlets.

Charging performance centers on versatility and verified charging standards. The unit holds a nominal 10,000mAh battery capacity, which the manufacturer states can provide up to 1.8 charges for an iPhone 15 Pro. While nominal battery capacity represents internal cell energy rather than guaranteed delivered capacity due to typical conversion and wireless transfer losses, this rating offers dependable peace of mind for long outings. Wirelessly, the charger utilizes Qi2 technology to reach up to 15W of wireless charging power. When users need faster energy replenishment, the single USB-C port outputs up to 30W, enabling high-speed wired charging for compatible phones and handheld electronics.

Build quality and thermal design are notable highlights of this slim pack. Measuring just 0.58 inches thick, 2.78 inches wide, and 4.09 inches long, the device weighs approximately 0.48 pounds, keeping the combined weight manageable when attached to the back of an iPhone. The casing features a sleek matte finish surrounded by a sturdy metal frame for long-term structural integrity. To help maintain safe operating temperatures during magnetic energy transfer, Anker integrated aerogel thermal insulation inside the chassis, helping diffuse operational heat away from the internal battery and the attached phone.

Everyday handling and recharging are streamlined for travel and mobile lifestyles. Snapping the unit onto a compatible iPhone initiates charging through magnetic alignment without requiring manual cable routing. For recharging the power bank itself, users can plug the included 23.62-inch USB-C to USB-C cable into the 30W-capable USB-C port, though a compatible wall adapter must be supplied separately. Its compact footprint fits comfortably inside jacket pockets, laptop bags, or carry-on luggage. As with any lithium portable charger, airline travelers should keep the battery pack in their carry-on baggage and confirm current airline carriage guidelines prior to departure.

Potential buyers should consider a few critical compatibility and hardware limitations. Anker explicitly designs this power bank for iPhone 12, 13, 14, 15, and 16 devices and does not recommend using it with Android phones, because differing coil placements or chassis dimensions can disrupt magnetic alignment and degrade charging speeds. Additionally, port selection is limited to a single USB-C port, which means wired multi-device charging is restricted unless utilizing the wireless pad simultaneously. Buyers should also remember that 15W wireless charging is inherently slower than the 30W output available through the physical USB-C port.

The Anker MagGo 10,000mAh Slim Power Bank is a standout choice for modern iPhone users who want certified 15W Qi2 wireless charging packed into a slender, durable frame. Backed by a sturdy metal construction, 30W wired output capability, and a 24-month warranty, it represents a well-rounded mobile power accessory. Android phone owners or users who require multi-port wired charging for laptops and multiple accessories should seek a universal high-wattage power bank instead.

Qi2 & USB-C Performance

This power bank stands out by offering both Qi2-certified 15W magnetic wireless charging and a high-speed 30W wired USB-C port. The Qi2 certification ensures that compatible iPhone models receive full 15W wireless charging speeds with reliable magnetic alignment, doubling the speed of standard 7.5W non-certified magnetic chargers.

When time is limited, the USB-C port provides an upgrade to 30W maximum wired power output. This allows compatible smartphones to receive rapid wired power while also enabling the power bank itself to accept higher input power for faster battery pack recharges using the included USB-C to USB-C cable.

Compatibility & Design

Anker specifically tailored this power bank for Apple iPhone 12, 13, 14, 15, and 16 series smartphones. The manufacturer explicitly advises against using the magnetic wireless pad with Android devices, as variations in dimensions and internal coil placement can cause improper alignment, reduced efficiency, or slower charging rates.

With a thickness of only 0.58 inches and a weight of roughly 0.48 pounds, the battery pack remains comfortable to hold while snapped to your smartphone. The exterior combines a refined matte finish with a metal perimeter frame, while internal aerogel insulation helps manage charging thermals during everyday use.

4
Top Rated

Anker Nano Qi2 Magnetic Power Bank

Anker
9.7 /10
BLW Score
BLW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Anker Nano Magnetic Power Bank is an ultra-slim 5,000mAh portable charger delivering up to 15W Qi2 wireless charging and 20W wired USB-C output in a pocket-friendly 0.34-inch profile. It is an ideal everyday-carry backup battery for iPhone users who want fast magnetic charging without added bulk.
Pros & Cons

Pros

  • Exceptionally slim form factor at roughly 0.34 inches thick and 0.24 pounds for comfortable handheld use
  • Qi2 certification enables full 15W wireless charging speeds on supported MagSafe iPhones
  • Versatile wired capability with up to 20W USB-C output when faster wired power is needed
  • Smart thermal control with graphene cooling prevents excessive heat buildup, staying under 104 degrees Fahrenheit
  • Backed by Anker's 24-month warranty and includes a USB-C to USB-C cable

Cons

  • Manufacturer explicitly advises against Android phone use due to fit and magnetic alignment differences
  • Modest 5,000mAh capacity provides everyday top-up power rather than multiple full recharges
  • Does not include an AC wall charger to replenish the power bank
Detailed Review

The Anker Nano Magnetic Power Bank (5K, MagGo, Slim) is an ultra-compact magnetic wireless portable charger built specifically for iPhone users seeking a lightweight, low-profile backup battery. At just under 0.34 inches thick and weighing 0.24 pounds, this power bank addresses the common complaint of bulky magnetic battery packs that feel awkward in hand or in a pocket. It is primarily engineered for commuters, travelers, office professionals, and everyday smartphone users who want snap-on power without carrying thick bricks or dangling cords.

In terms of charging performance, this battery pack incorporates official Qi2 certification to deliver up to 15W wireless charging to compatible MagSafe iPhones. According to manufacturer laboratory data, this enables a compatible device like the iPhone 16 Pro to reach 25 percent in approximately 42 minutes wirelessly. For situations where speed is essential, the integrated USB-C port provides up to 20W wired output. The 5,000mAh nominal capacity offers essential reserve power, making it well-suited for topping off an iPhone during an evening out, an airport layover, or an extended workday away from a wall outlet.

The physical housing stands out for its minimalist engineering, measuring roughly 4.02 inches long by 2.78 inches wide and only 0.34 inches thin. To combat the typical thermal issues associated with magnetic induction, Anker incorporates graphene cooling, dual NTC temperature sensors, and smart heat-control software. According to the manufacturer, this thermal design helps keep operational temperatures below 104 degrees Fahrenheit, which is 14 degrees cooler than common industry standards. This level of temperature protection helps maintain comfortable handling and safeguards battery longevity over prolonged charging sessions.

Daily operation is straightforward and snap-and-go. The internal magnetic array aligns directly with compatible iPhone cases or bare MagSafe devices, staying firmly in place while allowing uninterrupted phone use. Recharging the battery pack itself is handled via the bidirectional USB-C port, and Anker bundles a USB-C to USB-C cable in the box to facilitate connections. Because of its light weight and flat profile, the pack slides effortlessly into a front jeans pocket, sling bag, or laptop sleeve without creating uncomfortable bulk during travel or daily commutes.

The primary limitation of this portable charger lies in its intentional device specialization. The manufacturer explicitly does not recommend using this power bank with Android devices, as variations in dimensions and coil alignment can disrupt magnetic placement and degrade charging speeds. Additionally, with a nominal capacity of 5,000mAh, users should view this as an everyday-carry top-up solution rather than a multi-day emergency battery or a laptop power source. Like most portable chargers, an AC wall adapter is not included in the packaging, requiring users to supply their own USB-C power block for recharging.

For iPhone owners wanting a sleek, travel-ready external battery that supports full 15W Qi2 wireless charging, the Anker Nano Magnetic Power Bank represents an exceptionally refined choice. Its combination of ultra-thin ergonomics, controlled operating temperatures, 20W wired flexibility, and a 24-month warranty makes it an outstanding everyday accessory. Conversely, Android smartphone users and individuals requiring high-capacity packs for tablets, laptops, or multiple full device recharges should opt for larger, cross-platform power banks.

Qi2 Charging & Safety

Qi2 certification represents a significant upgrade over standard Qi wireless charging, offering precise magnetic alignment and power delivery up to 15W on compatible iPhones. This design allows users to achieve the faster wireless rates previously reserved for official MagSafe accessories, bypassing the slower 7.5W limit typical of older wireless power banks.

Thermal control is a key highlight of this power bank, featuring graphene heat dissipation alongside dual NTC sensors. The system is engineered to cap operating temperatures at 104 degrees Fahrenheit, helping to prevent the device throttling and excessive heat that often accompany high-output magnetic wireless charging.

Device Compatibility & Portability

This portable charger is explicitly tailored for iPhone models featuring MagSafe technology. Anker specifically notes that it is not recommended for Android smartphones, as physical dimensions and camera bump clearances can prevent proper magnetic alignment and lower overall charging performance.

Measuring 4.02 by 2.78 by 0.34 inches and weighing just 0.24 pounds, this battery pack is among the thinnest magnetic power banks available. Its pocketable form factor ensures that holding the phone during use remains ergonomic and natural, whether walking across a campus, navigating transit, or working at a desk.

5

Anker 622 Magnetic Power Bank (MagGo)

Anker
9.6 /10
BLW Score
BLW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Anker 622 Magnetic Battery (MagGo) is a slim 5,000mAh wireless portable charger designed to snap securely onto compatible iPhones for cable-free backup power. Featuring a built-in foldable kickstand and a pocket-friendly 0.51-inch profile, it is an ideal everyday-carry choice for iPhone 16 and 15 users who need convenient mid-day power without added bulk.
Pros & Cons

Pros

  • Compact 0.51-inch slim design and 0.31-pound weight make it comfortable to hold while attached to a phone
  • Convenient foldable kickstand allows upright, hands-free viewing during video calls or media playback
  • Magnetic attachment provides effortless cable-free charging alignment for compatible iPhone models
  • Includes a 23.6-inch USB-C to USB-C charging cable and a generous 24-month manufacturer warranty

Cons

  • The 5,000mAh nominal capacity is intended for daily top-ups rather than multiple full phone recharges
  • Magnetic attachment and wireless charging are specifically designed around compatible magnetic iPhones such as iPhone 16 and 15 models
  • Does not include an AC wall adapter, requiring an existing USB-C power block to recharge the battery pack
Detailed Review

The Anker 622 Magnetic Battery (MagGo) is a slim, wireless portable charger engineered primarily for iPhone users who want grab-and-go backup power without carrying loose cords. Featuring a nominal 5,000mAh battery capacity, magnetic alignment, and a built-in foldable kickstand, this charger is geared toward commuters, frequent fliers, college students, and office workers using compatible iPhone 16 or 15 devices. Instead of maximizing capacity at the expense of portability, the 622 MagGo prioritizes a pocket-friendly form factor that attaches cleanly to the back of a phone.

In terms of charging functionality, the power bank delivers wireless power directly through its magnetic charging pad, snapping into place for seamless alignment. The 5,000mAh nominal capacity represents the internal cell rating, which serves as a dependable buffer to help keep your phone operational through long work shifts, evening commutes, or travel delays. While wireless transfer and voltage conversion naturally reduce usable delivered energy compared to nominal battery figures, this power bank offers the practical utility needed to prevent a dead battery when you are away from an outlet.

Anker integrates its Advanced Mini Cell Technology into a remarkably slim chassis measuring just 4.13 by 2.64 by 0.51 inches and weighing approximately 0.31 pounds. The Interstellar Gray finish delivers a clean, modern aesthetic that blends well with premium smartphones. One of the standout physical design features is the built-in foldable kickstand, which props your iPhone upright in portrait or landscape orientations. This makes the battery pack equally useful as a portable desktop stand for video calls, hands-free media playback, or desk notifications while your phone receives power.

Operating the Anker 622 MagGo is straightforward, requiring users to simply align the magnetic surface against the back of a compatible iPhone. For recharging the internal 5,000mAh cell, the battery pack includes a 23.6-inch (60 cm) USB-C to USB-C cable that connects to standard USB-C power sources. The charger's slender profile allows it to fit comfortably in a hand alongside the phone, making it easy to continue browsing, texting, or navigating while actively charging without dealing with dangling cables.

Shoppers should keep in mind that this power bank is built specifically for compact convenience rather than high-capacity, multi-device demands. The 5,000mAh nominal rating is not designed to provide multiple recharges or power larger electronics such as laptops or tablets. Additionally, the magnetic wireless attachment is specifically tailored for compatible magnetic iPhone models like the iPhone 16 and 15 series, meaning non-magnetic devices will not experience the same snapping convenience. A wall charging adapter is also not included in the box, so you must provide your own USB-C brick to recharge the pack.

The Anker 622 Magnetic Battery is best suited for iPhone 16 and 15 owners who prioritize lightweight everyday carry and cord-free convenience over heavy battery bricks. If you need a compact backup charger that doubles as an adjustable desk stand for video streaming and daily commuting, this model delivers solid value and reliable build quality backed by a 24-month warranty. Those who require multiple device recharges, high-wattage laptop charging, or multi-port output should look toward higher-capacity power banks instead.

Design & Portability

Measuring just 4.13 by 2.64 by 0.51 inches and weighing a lightweight 0.31 pounds, the Anker 622 Magnetic Battery is built specifically for effortless everyday carry. Its ultra-slim profile slips easily into pockets, clutches, or backpacks without creating an awkward bulge, allowing you to use your phone naturally even while the charger remains magnetically attached.

The built-in foldable kickstand adds functional versatility whether you are working at an office desk, relaxing at a coffee shop, or traveling on an airplane. It props your phone upright for hands-free video conferencing or horizontal media viewing, eliminating the need to pack a separate phone stand.

Compatibility & Accessories

The Anker 622 MagGo is engineered specifically for magnetic-compatible smartphones, with manufacturer documentation explicitly highlighting compatibility with iPhone 16 and iPhone 15 models. The magnetic alignment ensures that the wireless charging coils position properly every time for a secure hold without manual adjustment.

Out of the box, the package includes the Anker 622 Magnetic Battery (MagGo), a 23.6-inch (60 cm) USB-C to USB-C charging cable for recharging the unit, a welcome guide, and Anker's 24-month warranty. Users will need to supply their own USB-C wall adapter to recharge the battery pack from a standard wall outlet.

6

Anker 25,000mAh Laptop Power Bank with 165W

Anker
9.6 /10
BLW Score
BLW Score is calculated based on product ratings, reviews, and sales performance to help you make informed purchasing decisions. Learn more ›
The Anker 25,000mAh Laptop Power Bank provides up to 165W of total power and features dual integrated USB-C cables for charging laptops, tablets, and phones simultaneously. It is an outstanding choice for business travelers, remote professionals, and multi-device commuters seeking high-output portable power without carrying extra cables.
Pros & Cons

Pros

  • High 165W total output with 100W-capable USB-C connections readily handles compatible USB-C laptops and tablets.
  • Dual built-in USB-C cables minimize cord clutter and streamline mobile travel charging.
  • Meets the 100Wh airline boundary, allowing compliant storage in carry-on baggage for flights.
  • Powers up to four devices at the same time across integrated cables, an extra USB-C port, and a USB-A port.

Cons

  • A 100W or higher wall charger is required for the fastest power bank recharge speeds and is not included.
  • The elongated 6.18-inch by 2.13-inch body is bulkier and heavier than single-charge pocket power banks.
  • Charging four devices simultaneously splits the total 165W output across active ports.
Detailed Review

The Anker 25,000mAh Laptop Power Bank is a heavy-duty portable charging station engineered specifically for mobile professionals, commuters, and airline travelers who need dependable power for power-hungry hardware. Combining high-wattage throughput with built-in cord management, this external battery eliminates the friction of carrying tangled charging cables. It is primarily built to keep USB-C laptops, tablets, and smartphones running through long travel days, cross-country flights, or remote work sessions where wall outlets are out of reach.

In terms of charging performance, the unit boasts a substantial 25,000mAh nominal capacity and delivers up to 165W in combined output. For laptop users, the battery pack features three USB-C connections-comprising two integrated USB-C cables and one open USB-C port-each capable of supplying up to 100W individually. In total, the unit can power up to four devices at once by pairing the dual built-in cables with its auxiliary USB-C port and USB-A port, letting users simultaneously charge a laptop, a smartphone, wireless earbuds, and an additional accessory.

The physical design prioritizes travel utility with its clever integrated cable management. Anker equipped the battery pack with an extendable 2.3-foot retractable USB-C cable tested for up to 20,000 retractions, alongside a secondary 0.98-foot USB-C cable that securely loops to function as a carrying strap rated for over 20,000 bends. Measuring 6.18 by 2.13 by 1.93 inches and weighing approximately 0.66 pounds, the durable black chassis fits neatly into briefcase compartments, carry-on bags, or laptop backpacks without snagging loose cords.

Operating and maintaining this power bank is straightforward, though recharging efficiency depends on your existing wall charger. To achieve the fastest possible replenishment of the 25,000mAh capacity, the manufacturer recommends pairing the unit with a 100W or higher USB-C wall charger. For flyers, this battery pack complies with the standard 100Wh airline limit, qualifying it for regular carry-on baggage on domestic and international flights, though passengers should always store lithium battery packs in their carry-on luggage rather than checked bags.

While the feature set is extensive, prospective buyers should account for a few practical limitations. Achieving the advertised ultra-fast power bank recharge requires purchasing a high-wattage 100W adapter separately, as no wall charger is included in the box. Additionally, while individual USB-C lines can deliver up to 100W on single-device duty, connecting four devices simultaneously distributes the 165W aggregate ceiling, which reduces the wattage supplied to individual ports under heavy simultaneous loads.

The Anker 25,000mAh 165W Laptop Power Bank is an outstanding investment for frequent flyers, remote knowledge workers, and multi-device tech users who require dependable laptop-grade charging on the move. Everyday smartphone users seeking a lightweight pocket companion may find its high capacity and elongated frame larger than necessary. However, for anyone who demands sustained 100W laptop output, four-way multi-device versatility, and integrated retractable cables, this model represents top-tier travel convenience.

Built-In Cables

One of the primary highlights of the Anker 25,000mAh Laptop Power Bank is its integrated dual-cable system, engineered to end the hassle of forgotten charging cords. The main built-in USB-C cable extends up to 2.3 feet and features a smooth retraction mechanism tested to withstand 20,000 retractions, giving you plenty of slack to comfortably work on a laptop at an airport gate or coffee shop desk.

Complementing the retractable cord is a secondary 0.98-foot USB-C cable engineered for heavy duty. This shorter cord doubles as a built-in carrying handle and strap, rated to endure more than 20,000 structural bends. Together, these integrated lines allow travelers to leave loose cords packed away while keeping modern USB-C laptops, tablets, and phones fully charged.

Travel & Airline Compliance

Navigating airport security with high-capacity electronics requires attention to battery ratings, and the Anker 25,000mAh power bank is explicitly built to satisfy standard transit guidelines. The battery pack complies with the common 100Wh airline restriction, making it eligible for carry-on luggage across major commercial airlines.

As with all lithium-ion power sources, passengers must keep the unit in their carry-on bags or personal items rather than checked luggage. With its rugged carry strap, protective storage pouch, and retractable cable, the unit provides reliable backup power for transcontinental flights, long road trips, and off-grid camping without exceeding travel safety thresholds.

7

INIU 65W 20000mAh Laptop Power Bank

INIU
9.5 /10
BLW Score
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The INIU 65W 20,000mAh Laptop Power Bank is a compact high-output battery pack built to recharge USB-C laptops, handheld consoles, and smartphones on the go. Delivering up to 65W through triple charging ports with a detachable lanyard cable, it offers exceptional portable utility for mobile professionals and frequent flyers.
Pros & Cons

Pros

  • Generous 65W maximum output supports compatible USB-C laptops and the Steam Deck
  • Dense form factor measuring 4.3 x 2.8 x 1.1 inches packs high capacity into a wallet-sized footprint
  • Detachable braided 4.7-inch USB-C lanyard cable provides ready-to-use charging on the go
  • Triple-port connectivity enables simultaneous multi-device power delivery
  • Backed by a 3-year manufacturer replacement warranty for reliable long-term support

Cons

  • Weighs 0.8375 pounds, making it noticeably heavier in a pocket than low-capacity phone power banks
  • The included 4.7-inch lanyard cable is very short for users who prefer using their device while it charges
  • Charging three devices at once divides the total power, reducing the maximum wattage available to a laptop
Detailed Review

This is a high-output portable charger engineered to supply up to 65W of power from a compact 20,000mAh battery pack. Manufactured by INIU, this model is built primarily for mobile professionals, college students, commuters, and travelers who need reliable backup power for USB-C laptops, tablets, handheld gaming consoles, and smartphones. By concentrating high wattage and substantial capacity into a wallet-sized footprint, it eliminates the need to hunt for wall outlets in airports, coffee shops, or conference halls.

Charging performance is anchored by a maximum 65W output capability that meets the power requirements of popular modern laptops. According to manufacturer data, the unit can supply sufficient output to recharge supported MacBooks, HP, Lenovo, and Dell laptops to 50 percent in approximately 30 minutes, while also running the Steam Deck at full speed without slow-charger warnings. The 20,000mAh nominal capacity is rated by the manufacturer to provide up to one full charge for a MacBook Air or more than three charges for flagship smartphones. As with any external battery pack, the actual usable energy delivered through the ports will be lower than the nominal cell rating due to inherent voltage conversion and resistance losses.

The physical housing emphasizes density and everyday utility, measuring 4.3 x 2.8 x 1.1 inches and weighing 0.8375 pounds. INIU utilizes a high-density cell arrangement to shrink the physical volume by 38 percent compared to traditional blocks of similar capacity. A standout hardware detail is the integrated 4.7-inch braided nylon USB-C lanyard cable, which snaps securely onto the chassis to serve as a carry handle. Because this cable is fully detachable and replaceable, users are not left with a useless battery pack if the cord wears out over time.

Daily handling and multi-device management are straightforward thanks to the triple-port configuration. The charger allows users to connect a notebook, a smartphone, and low-draw gear such as earbuds or an Apple Watch simultaneously. For frequent flyers, the battery pack is listed as airline-safe and TSA-compliant, though travelers should always verify individual airline carry-on regulations prior to departure. The internal multi-layer safety framework monitors thermal levels to help guard against overheating during sustained high-wattage charging sessions.

A few realistic limitations should be considered before buying. While the physical footprint is shorter than standard power banks, the 1.1-inch thickness and 0.84-pound weight mean it is better suited for a bag or jacket pocket than tight pants pockets. Furthermore, when multiple devices are connected to the three output ports at the same time, the power bank dynamically shares its total power budget, which will lower the single-port wattage below 65W and slow down laptop charging. Finally, the included 4.7-inch cable is convenient for transit, but desk users will likely need a longer standard USB-C cable for comfortable workstation placement.

The INIU 65W 20,000mAh power bank is an outstanding choice for remote workers, commuters, and travelers who need genuine laptop-level charging without carrying a bulky brick. Shoppers who only need a quick emergency top-up for a smartphone may prefer a lighter 5,000mAh or 10,000mAh pocket pack. However, for anyone carrying a USB-C laptop, an iPad, or a Steam Deck alongside their phone, this compact unit delivers high performance, strong versatility, and added confidence backed by a 3-year warranty.

Laptop & Device Compatibility

The INIU 65W power bank is explicitly built to handle the higher electrical demands of portable computers and gaming hardware. The 65W USB-C output supports major USB-C notebook lines, with manufacturer-listed compatibility covering Apple MacBooks, HP, Lenovo, and Dell laptops. This elevated wattage ensures that connected laptops receive active charging rather than merely draining more slowly while in use.

Mobile gamers benefit directly from the 65W power curve when pairing this pack with the Steam Deck. Unlike lower-wattage power banks that prompt low-power charging alerts, this battery pack supplies adequate current to recharge the console at full operational speed during gameplay. It also safely handles smaller electronics, offering triple-port connectivity that supports flagship smartphones, tablets, smartwatches, and wireless earbuds without overloading sensitive accessory circuitry.

Portability & Travel

With dimensions of 4.3 x 2.8 x 1.1 inches, this power bank occupies a significantly smaller surface area than typical 20,000mAh chargers. Its wallet-sized profile slips easily into backpack tech pouches, messenger bags, or carry-on luggage compartments, making it a natural fit for road trips and daily commutes.

Air travelers will appreciate that the 20,000mAh capacity falls within standard domestic airline carry-on limits for lithium battery packs. The attached 4.7-inch braided nylon lanyard cable doubles as a durable carry loop, reducing bag clutter by eliminating the immediate need to carry a separate short charging cord while moving through transit hubs.

8

Anker 621 MagGo 5,000mAh Magnetic Power Bank

Anker
9.4 /10
BLW Score
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The Anker 621 MagGo is a slim, magnetically attaching 5,000mAh portable charger designed specifically for iPhone 14 and 15 users who want a pocket-friendly battery boost without cables. Its biggest advantage is the snap-on magnetic convenience that lets you charge wirelessly while still using your phone one-handed.
Pros & Cons

Pros

  • Ultra-slim and lightweight at 0.31 pounds and 0.45 inches thick - one of the most pocketable magnetic power banks available
  • Strong magnetic attachment designed for iPhone 14 and 15 keeps the battery securely aligned during normal use
  • Eliminates cable clutter for quick top-ups since it charges wirelessly through magnetic snap-on alignment
  • Compact enough for true everyday carry without adding noticeable bulk to a bag or pocket
  • Anker brand reputation and included 24-month warranty add reliability for budget-conscious buyers

Cons

  • The 5,000mAh nominal capacity will not fully recharge most modern iPhones from empty - it is best suited for partial top-ups rather than full recharges
  • Wireless charging is inherently less efficient than wired charging, meaning more energy is lost as heat during the transfer process, and the manufacturer notes slight heating is normal
  • Magnetic attachment is specifically designed for iPhone 14 and 15 - users with older iPhones, Android phones, or cases without magnetic compatibility may not get a reliable connection
Detailed Review

The Anker 621 MagGo is a magnetic wireless power bank with a listed 5,000mAh battery capacity, designed to snap directly onto the back of an iPhone 14 or iPhone 15 for cable-free portable charging. This product is best suited for iPhone users who want a slim, lightweight backup battery they can attach to their phone and forget about - ideal for commuters, students, office workers, and travelers who need a quick top-up rather than a full multi-device charging station. Anker positions the 621 MagGo as an everyday-carry accessory rather than a high-capacity backup, and its 0.31-pound weight and 0.45-inch thickness support that positioning.

The listed 5,000mAh capacity describes the battery's nominal stored energy, not the amount of charge guaranteed to reach your iPhone. Energy is lost during wireless power transfer, voltage conversion, and normal circuit operation - the manufacturer acknowledges that slight heating during charging is normal and expected due to efficiency losses in the conversion circuit. This means the Anker 621 MagGo is realistically a partial-charge solution for most current iPhones rather than a device that will take you from zero to full. Users who need enough backup power to fully recharge a phone one or more times should consider a higher-capacity power bank, potentially with wired USB-C output for better energy efficiency.

Build and design are clearly focused on minimalism and portability. At 4.13 x 2.62 x 0.45 inches, the Anker 621 MagGo is roughly the size of a stack of credit cards and adds minimal bulk when attached to a compatible iPhone. The magnetic attachment system uses what Anker describes as ultra-strong magnets that align the charging coil with the iPhone's built-in magnets. This magnetic snap-on design eliminates the misalignment problems that can interrupt charging on traditional wireless chargers. The purple color option adds a visual accent, and the overall form factor allows single-handed phone use while the battery is attached - useful for selfies, calls, and texting on the go.

Setting up the Anker 621 MagGo is straightforward: recharge the power bank using the included 23.6-inch USB-C to USB-C cable, then snap it onto the back of a compatible iPhone when you need extra battery life. There are no buttons to press for wireless charging alignment - the magnets handle positioning automatically. For daily carry, the slim profile fits comfortably in a jeans pocket, jacket pocket, purse, or small compartment of a backpack. Travelers may appreciate that the 5,000mAh capacity is well below typical airline lithium battery limits, though travelers should always verify current carrier-specific battery policies before flying.

The most significant limitation of the Anker 621 MagGo is its compatibility scope. The manufacturer specifically lists the iPhone 14 and iPhone 15 as compatible devices. Users with older iPhones that lack built-in magnetic alignment, Android phones, or thick non-magnetic cases may not achieve a reliable magnetic connection or proper wireless charging alignment. Additionally, wireless charging delivers less energy to the phone than a direct wired connection would from the same battery capacity, so users who prioritize maximum charging efficiency per milliamp-hour may prefer a wired power bank instead. The product listing does not specify the wireless charging output wattage, supported wireless charging standard details, or exact recharge time for the power bank itself.

The Anker 621 MagGo is the strongest fit for iPhone 14 or iPhone 15 owners who want the most convenient, cable-free way to carry emergency backup power without adding bulk. It excels as a daily-carry safety net for short trips, commutes, class days, or office afternoons when your phone battery dips into the danger zone. Users who need higher capacity, multi-device charging, wired fast-charging output, or broad device compatibility beyond recent iPhones should look at larger or wired Anker power banks instead. The strongest reason to choose the 621 MagGo is its combination of magnetic snap-on convenience, genuinely pocketable size, and Anker's 24-month warranty - it solves the specific problem of keeping a compatible iPhone topped up with zero cable hassle.

Magnetic Charging

The Anker 621 MagGo uses built-in magnets to attach directly to the back of compatible iPhones, specifically the iPhone 14 and iPhone 15 as listed by the manufacturer. The magnetic alignment automatically positions the wireless charging coil for proper energy transfer, which eliminates the misalignment disconnections that can occur with flat wireless charging pads or non-magnetic wireless power banks. The manufacturer describes the magnets as ultra-strong, designed to stay attached during normal activities like taking selfies or making phone calls.

Magnetic attachment does not guarantee compatibility with every phone case. Cases without magnetic compatibility or cases that are particularly thick may interfere with the magnetic connection or wireless charging alignment. Users who rely on non-magnetic cases should verify that their specific case allows proper attachment before purchasing. The product listing does not specify the exact wireless charging output wattage or the wireless charging standard supported, so the charging speed relative to wired alternatives remains unspecified in the available product data.

Portability

The Anker 621 MagGo measures 4.13 x 2.62 x 0.45 inches and weighs just 0.31 pounds, making it one of the slimmest and lightest magnetic power banks available. Anker highlights its MiniCell technology as the reason for the reduced size, stating that fewer internal components deliver the same charging performance in a smaller package. For context, the 0.45-inch thickness means the battery adds roughly the depth of a few stacked coins to the back of your phone.

This compact form factor makes the Anker 621 MagGo practical for true everyday carry. It fits in a front jeans pocket, a small purse pocket, or a laptop bag's accessory compartment without creating noticeable bulk. For commuters, students carrying backpacks, or business travelers packing light, the minimal size and weight mean there is little reason not to keep it on hand as a battery safety net. The tradeoff for this portability is the 5,000mAh capacity, which prioritizes slim convenience over extended multi-day backup power.

Included Accessories

The Anker 621 MagGo package includes the magnetic battery unit itself, a 23.6-inch (60 cm) USB-C to USB-C cable for recharging the power bank, a welcome guide, and coverage under Anker's 24-month warranty. The included USB-C cable is relatively short at just under two feet, which is sufficient for recharging from a nearby outlet or laptop USB-C port but may feel limiting if your charging source is farther away.

A wall charger or USB-C power adapter is not listed as included in the package contents. Users who do not already own a USB-C wall charger will need to purchase one separately to recharge the Anker 621 MagGo. The 24-month warranty from Anker provides a reasonable coverage window for a portable charging accessory in this category.

Frequently Asked Questions

Do all of these anker power bank yellow options support USB Power Delivery?

No, not every model explicitly lists USB Power Delivery support. A USB-C port alone does not guarantee USB PD. Some models, like the Anker Laptop Power Bank, 25,000mAh Travel with its triple 100W USB-C ports, are positioned for laptop charging, which typically requires PD. But for models that only list a USB-C output wattage without mentioning PD by name, it’s safer not to assume PD or PPS support. Always check the product listing for explicit protocol mentions before relying on it for a laptop or tablet that requires USB Power Delivery.

What’s the difference between Qi and Qi2 in these magnetic power banks?

Qi and Qi2 are different wireless charging standards. Qi2 adds magnetic alignment and supports up to 15W for compatible iPhones, while older Qi typically maxes out at 7.5W for iPhones. The Anker MagGo Power Bank, 10,000mAh Qi2-Certified and the Anker Nano Magnetic Power Bank both carry Qi2 certification. The Anker 622 Magnetic Power Bank and Anker 621 MagGo Power Bank use magnetic alignment but do not list Qi2 certification, so their wireless output may be lower. Magnetic attachment by itself does not prove Qi2 or MagSafe compatibility.

Can any of these power banks charge a laptop?

Two models are specifically positioned for laptop charging. The Anker Laptop Power Bank, 25,000mAh Travel lists 100W per USB-C port and 165W total output, which may support many USB-C laptops. The INIU Laptop Power Bank, Smallest 20000mAh 65W lists 65W output and mentions compatibility with MacBooks, HP, Lenovo, and Dell laptops. A USB-C connector alone does not establish laptop charging capability. The power bank’s output wattage, the laptop’s input requirements, and the cable’s power rating all need to align for a successful charge.

Is a higher mAh rating always better for an anker power bank yellow?

Not always. Higher mAh means more stored energy, but it usually comes with increased size and weight. The 25,000mAh Anker model can handle multi-day trips, but it’s bulkier than a 5,000mAh magnetic pack you’d snap onto your iPhone for a quick top-up. Also, the listed mAh is nominal capacity, not the actual energy delivered to your device. Conversion losses during charging mean you’ll get less usable power than the number on the box suggests. For everyday carry, a slim 5,000mAh or 10,000mAh unit might be more practical than a heavy high-capacity pack. If you’re looking for highly rated Anker power banks under $30, smaller capacity models often hit that sweet spot between portability and price.

Do these power banks come with a wall charger included?

Most do not. Based on the product listings, these power banks typically include a USB-C cable and a welcome guide, but a wall charger is generally not included. The Anker 25,000mAh model’s listing specifically notes that the charger shown in promotional material is not included. To recharge the power bank itself at its maximum listed input speed, you may need to purchase a compatible USB-C wall charger separately. For example, the Anker Zolo Power Bank,20,000mAh 30W lists 20W maximum input, so a 20W or higher USB-C charger would be needed to reach that recharge speed.

Will the magnetic power banks work with Android phones?

The manufacturer does not recommend it. Both the Anker MagGo Power Bank, 10,000mAh Qi2-Certified and the Anker Nano Magnetic Power Bank explicitly state they are designed for iPhone and that differences in fit or alignment may affect placement or result in slower charging speeds with Android phones. The magnetic alignment in these models targets the iPhone 12 through 16 series magnet array. Some Android phones with Qi2 support may technically work, but the product descriptions do not confirm this. If you need a portable charger for a Samsung Galaxy or Google Pixel, a wired option like the Anker Zolo 20,000mAh with its built-in USB-C cable may be a more reliable choice. You can also check our roundup of heavy-duty Anker power banks for Samsung and Android for better-matched options.

Does the Apple Watch power bank charge the watch at full speed?

The Anker MagGo Power Bank for Apple Watch lists 5W wireless output for Apple Watch and is described as Apple-certified for Apple Watch charging. The manufacturer states it can charge an Apple Watch Series 9 to 47% in 30 minutes. That 5W output is separate from the 30W USB-C output, so you can charge your iPhone and Apple Watch at the same time. The power bank itself lists a 30W maximum input and a recharge time of about 1.5 hours. Its compact 3.7 x 2.0 x 1.3-inch size makes it practical for travel, and the 10,000mAh capacity is listed as providing up to 11 charges for an Apple Watch Series 9.