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.

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.

Ports & interfaces
Input interface	USB Type-C
USB Type-A connector	Yes
USB Type-A output ports	2
USB Type-C connector	Yes
USB Type-C ports quantity	1
Weight & dimensions
Width	82.8 mm
Depth	170 mm
Height	23.6 mm
Weight	463 g
Radio
Built-in radio	No
Design
Number of simultaneously connected devices (max)	3
Product colour	Black
Charger compatibility	Headphones/Headset, Mobile phone/Smartphone, Smartwatch, Tablet
Built-in display	No
Shape	Rectangle
Built-in flashlight	No
Built-in mirror	No
Built-in compass	No
LED indicators	Yes
Performance
Battery capacity	20000 mAh
Charging source	USB
Fast charging	Yes
Wireless charging	No