With a maximum input and output of 20W, the power bank charges iPhone 13 8 times faster than a regular 5W charger. Recharging itself only takes 1.8 hours. Note: Data based on internal lab testing.
Double Duty
Magnetic battery that juices up your phone while recharging itself so you're always connected wherever you go.
Use the Right Cases
For best results, use only iPhone-compatible magnetic phone cases. Magnetic and metal attachments or cards will cause a weak magnetic attraction.
Safety System
Anker's Safety system is designed with temperature control, foreign object detection, radiation shielding, and more, to protect you and your devices.
Model: A1641
Anker 633 Magnetic Battery
Snap. Charge. Chill.
Charge or Stand
The handy charger conveniently charges your phone, while the dedicated foldable stand provides stable hands-free phone viewing.
Pass-Through Charging
Equipped with a USB-C Power Delivery port, it can charge itself and any compatible handheld device at the same time.
Magnetically Snap and Charge
The strong magnetic connection holds your phone securely. Just snap the charger onto the back of your phone to seamlessly power up your device.
Safety System
At Anker, we care about your safety. Our Safety system combines surge protection, short circuit prevention, and many more safety features to give you peace of mind.
Tech Specs
Dimensions: 4.21 in x 2.61 in x 0.71 in (107 mm x 66.5 mm x 18.15 mm)
Weight: 7.68 oz (218 g)
Notes:
*The 10,000mAh capacity consists of two 5,000mAh batteries that are connected in series.
Devices can use 20W USB-C and 18W USB-A wired charging, or 7.5W wireless charging.
Not compatible with non-magnetic phone cases, such as OtterBox defender cases.
Magnetic and metal attachments such as cards, keys, and pop grips will interfere with charging.
After peeling off the sticker on the surface, use rubbing alcohol to wipe off the residue.
The World's No. 1 Mobile Charging Brand*
200 Million+
200 Million + Global Customers
146 Markets
Available in 146 Markets
14 Years of Innovation
Pioneering in Charging Technology for 14 Years
*Anker is the world's No. 1 mobile charging brand based on retail sales value for five consecutive years: 2020 to 2024.
Data source: Euromonitor International (Shanghai) Co., Ltd., measured in terms of retail value sales in 2020 through 2024, based on research completed in June 2025. Mobile charging brands are defined as those with over 75% of retail sales from mobile phone charging products, including chargers, wireless chargers, power banks, and charging cables. These products may also be used with other consumer electronic devices.
"Anker Nano Pro will work flawlessly with your iPhone or other devices."
ZolloTech
"Anker Nano II can truly be one charger to rule them all."
Unbox Therapy
"Anker Nano packs a tremendous amount of power in a super compact package."
Jonathan Morrison
"There's no reason not to upgrade to the faster charging Anker Nano which costs less while still charging 3x faster."
JerryRigEverything
"Anker Nano Pro will work flawlessly with your iPhone or other devices."
ZolloTech
"Anker Nano II can truly be one charger to rule them all."
Unbox Therapy
"Anker Nano packs a tremendous amount of power in a super compact package."
Jonathan Morrison
"There's no reason not to upgrade to the faster charging Anker Nano which costs less while still charging 3x faster."
JerryRigEverything
"Anker Nano Pro will work flawlessly with your iPhone or other devices."
*Anker is the world's No. 1 mobile charging brand based on retail sales value for five consecutive years: 2020 to 2024.
Data source: Euromonitor International (Shanghai) Co., Ltd., measured in terms of retail value sales in 2020 through 2024, based on research completed in June 2025. Mobile charging brands are defined as those with over 75% of retail sales from mobile phone charging products, including chargers, wireless chargers, power banks, and charging cables. These products may also be used with other consumer electronic devices.
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