Anker Power Bank, 20,000mAh Portable Charger with 22.5W Max Fast Charging, 2 USB-A, 1 USB-C for iPhone 16/15/14/13/12 Series, Samsung, iPad Pro, AirPods, Apple Watch, and More

Price: $44.99 - $39.99
(as of Jun 09, 2025 11:40:56 UTC – Details)

Product Description

Trickle Charging Mode

Get optimized charging to low-power devices such as earphones, Bluetooth speakers, and other accessories.

Wide Compatibility

Works flawlessly with a wide range of mobile devices including phones, tablets, and more.

Comprehensive Safety

Anker’s MultiProtect safety system combines advanced temperature control, overcharge protection, short-circuit protection, and a fireproof casing to ensure complete protection for you and your devices.

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Customer Reviews

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Price

$39.99$39.99
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$119.99$119.99
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$44.99$44.99

Series
Basic Basic Basic Premium Premium Basic

Main Feature
Slim Built-In C Cable Built-In C Cable Built-In C Cable*2 PD 3.1, Max 140W Portable

Output Ports
2xUSB-A 1xUSB-C Built-in C Cable + 1C Built-in C Cable + 1C Built-in C Cable*2 + 1C1A 2 USB-C+1 USB-A 1xUSB-C 1xUSB-A

Recharging Time
~6.5 Hours (with PD charger） ～5.25Hours(20W) ~2.5 Hours(20w) ~2 Hours(100W) ~1 Hour (140W) ~6.8Hours (with PD

Size
6.55 x 3.26 x 0.93 in 4.72*2.90*1.24 in 4.32*2.58*0.98 in 6.18 * 1.93 * 2.12 in 6.13 * 2.15 *1.95 in 6.22 x 2.93 x 0.76 in

Weight
1.02lb 0.78lb 0.47lb 1.31lb 1.31lb 0.55lb

Model: A1288

Anker 335 Power Bank (PowerCore 20K)

One-Stop Charging for Multiple Devices

Super Huge Capacity

Conveniently power all your essential devices wherever you go thanks to the 20,000mAh battery capacity. Charge an iPhone 13 over 4 times or a Galaxy S22 Ultra more than 3 times.

Charge 3 Devices At Once

Charge your phone, tablet, and earbuds or Apple Watch simultaneously from one power bank.

Designed for Speed

20W fast charging lets you charge an iPhone 13 to 50% in 37 minutes.

Superior Safety

Anker’s exclusive MultiProtect safety technology provides complete protection for you and your devices.

Compatibility

Phones:

iPhone 15 / 15 Pro / 15 Pro Max

iPhone 14 / 14 Pro / 14 Pro Max

Samsung S21

Samsung S22

Google Pixel 5 / 6

Tablet:

iPad 9th Gen

Wireless Earbuds:

AirPods Pro / 3 (with wireless charging case)

Apple Watch:

Apple Watch Series 5 and 7

Notes:

USB-C to Lightning cable not included.Apple Watch cable not included.Not compatible with MacBook Pro 13″ (2019) and MacBook Pro 16″.Do not use the power bank in humid environments to prevent oxidation of the USB ports.If the power bank is not functioning properly, clean the USB ports with alcohol swabs to reduce contact issues caused by debris or oxidation.

Power You Can Bank On: Equipped with 20,000mAh capacity, keep your devices powered for days while you travel for work or leisure. Charge an iPhone 13 4.3 times, or a Galaxy S22 Ultra over 3 times.
Blazing Fast Speeds: Get the fastest possible charge of up to 20W with 3 USB ports. Charge an iPhone 13 to 50% in 37 minutes.
Power for 3: Charge your everyday items such as your phone, earphones, and Apple Watch at once.
Comprehensive Safety System: A combination of 10 safety features that work together to provide ultimate protection for your devices, your chargers and most importantly, you.
What You Get: Anker 335 Power Bank (PowerCore 20K), USB-A to USB-C cable, welcome guide, our 18-month stress-free warranty, and friendly customer service.