1 / 5Anker MagGo A1657 10,000mAh Apple Watch Power Bank
The Anker MagGo A1657 is a 10,000mAh portable power bank with an adjustable Apple Watch charger and built-in USB-C cable. Its listing claims up to 30W USB-C output and 5W watch charging, making it suited to carrying one charging source for a watch and phone.
At a glance
- 10,000mAh capacity with an adjustable wireless charger for Apple Watch.
- Built-in USB-C cable and a USB-C port are claimed for charging other devices.
- The manufacturer states up to 30W USB-C output and up to 5W Apple Watch charging, with simultaneous charging supported.
- The listing claims a 1.5-hour full recharge when using a 30W maximum input.
Reference price: €79.90
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Combines an Apple Watch charging surface and USB-C charging in one portable unit.
- The built-in cable means there is one fewer cable to pack for compatible USB-C charging.
Technical specifications
22 specifications| Brand | Anker |
|---|---|
| Model | A1657 |
| Power configuration | Corded Electric |
|---|---|
| Battery type | Lithium Ion |
| Battery capacity | 10000 |
| Output wattage | 35 Watts |
| USB-C connector | USB Type C |
| Voltage | 5 Volts |
| Amperage | 3 Amps |
| Number of ports | 3 |
| Battery charge time | 1.5 Hours |
| Rechargeable | Rechargeable |
| Special feature | Wireless Charging |
|---|---|
| Wireless charging standard | MagSafe |
| Compatible devices | Smartphone |
| Compatible phone models | iPhone |
| Recommended use | Mobile phone |
| Dimensions listed | 9.5 x 5.1 x 3.2 centimetres |
|---|---|
| Weight listed | 0.52 Pounds |
| Colour | Black |
| Portable | Yes |
| Cordless | No |
What to know before buying
- Apple Watch fast-charging support varies by model. The listing says Apple Watch SE and models before Series 7 do not support fast charging.
Listing details to confirm
Listing details are inconsistent: the title and specifications state 35W output, while the feature text says USB-C output is up to 30W alongside up to 5W for the watch. The listing also gives dimensions as both 9.5 x 5.1 x 3.2 centimetres and 95 × 51 × 32.4 mm, and describes three ports while separately mentioning a built-in cable and port. Confirm the output, dimensions and port configuration for the selected listing. The stated 1.5-hour recharge depends on a 30W maximum input. The manufacturer claims about two full charges for iPhone 15 Pro and up to 11 charges for Apple Watch Series 9. Treat these as model-specific estimates rather than a guaranteed number of charges.
Who is it for?
A good fit for
- Apple Watch owners who want a portable charger that also provides USB-C charging for a phone.
- Travellers seeking a single charging unit for a compatible watch and phone.
Less suited to
- Buyers who need a confirmed output specification before purchase, as the listing gives conflicting power figures.
- People seeking a compact, low-weight option without first considering that customer feedback differs on how heavy it feels.
Customer reviews on Amazon
- 5 stars
83% 83% - 4 stars
8% 8% - 3 stars
3% 3% - 2 stars
2% 2% - 1 star
4% 4%
Customer feedback is positive about performance, compact size and travel portability, but reports on charging performance and battery life are mixed. Some feedback describes fast Apple Watch charging, while other accounts mention not reaching a full charge or the unit stopping unexpectedly. Opinions also differ on price and weight. These perceptions matter if you need dependable full charges away from an outlet, and they do not establish a specific fault. The listing's 10,000mAh capacity and mode-specific charging claims are manufacturer specifications, not confirmation of real-world results.
Positive themes
- Customers appreciate the compact size and portability for travel.
- Feedback includes positive reports about performance.
Negative themes
- Some customers report that the power bank does not fully charge devices or stops working unexpectedly.
Mixed feedback
- Customers differ on charging performance, battery life, perceived weight and value for money.
Frequently asked questions
Can it charge an Apple Watch and phone at the same time?
The listing says simultaneous charging is supported through the built-in USB-C cable or port alongside the wireless Apple Watch charger.
What charging output does the Anker MagGo A1657 provide?
The title and specifications list 35W, but feature text says up to 30W for USB-C and up to 5W for the watch. Confirm the applicable output for the selected listing.
Which Apple Watch models support fast charging with this power bank?
The listing states that Apple Watch SE and models before Series 7 do not support fast charging. Fast charging therefore depends on the watch model.
How long does the power bank take to recharge?
The listing claims 1.5 hours for a full recharge using a 30W maximum input.
Alternative options
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INIU 20W SnapGo Portable Charger, 5000mAh Mini Power Bank for Apple Watch | Fast Charging, Travel Keychain, Built-in USB-C Cable, Flight-Safe, Battery Pack for Apple Watch iPhone 18 17 Samsung etc
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Anker 333 USB C to USB C Charger Cable (black, 6ft+6ft) | Fast Charge for MacBook Pro, iPhone 17/16/15, iPad Pro, Samsung Galaxy,and More
€7.90
