Feature(may vary by option.)

●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.

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Description

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A1288A1288

A1288A1288

A1288A1288

A1288A1288

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

Ankers 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.

A1288 A1229 A1244 A1268 A1287 B1291
Anker 335 Power Bank (PowerCore 20K) PowerCore Slim 10000 PowerCore Slim 10000 PD PowerCore Essential 20000 PowerCore Essential 20000 PD PowerCore 26K with 65W USB-C Charger
Customer Reviews
4.6 out of 5 stars
3,634
4.5 out of 5 stars
101,692
4.4 out of 5 stars
9,825
4.6 out of 5 stars
86,030
4.7 out of 5 stars
6,571
4.4 out of 5 stars
1,476
Price $39.99 $15.99 $25.99 $40.94 $39.99 $144.99
Series Basic Basic Basic Basic Basic Premium
Main Feature Slim Slim Slim Portable Portable High cell-capacity
Output Ports 2xUSB-A 1xUSB-C 1xUSB-A 1xUSB-C 1xUSB-A 2xUSB-A 1xUSB-C 1xUSB-A 2xUSB-C 2xUSB-A
Recharging Time ~6.5 Hours (with PD charger) ~5.5Hours ~4.5Hours (with PD charger) 10Hours ~6.8Hours (with PD charger) ~2.5Hours (with PD charger)
Size 6.55 x 3.26 x 0.93 in 5.91 x 2.68 x 0.57 in 5.87 x 2.68 x 0.55 in 6.2 x 2.9 x 0.8 in 6.22 x 2.93 x 0.76 in 7.2 x 3.23 x 0.95 in
Weight 463g/16.4oz 208g/7.52oz 208g/7.52oz 342.5g/12.1oz 350g/12.32oz 748g/26.4oz

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:

  1. USB-C to Lightning cable not included.
  2. Apple Watch cable not included.
  3. Not compatible with MacBook Pro 13" (2019) and MacBook Pro 16".

Sustainability features

Sustainability features

This product has sustainability features recognized by trusted certifications.

Carbon impact

Carbon emissions from the lifecycle of this product were measured, reduced and offset.

As certified by
Climate neutral by ClimatePartner Climate neutral by ClimatePartner

The Climate neutral label by ClimatePartner certifies that the carbon footprint of a product was calculated and all associated emissions were offset. Additionally, ClimatePartner encourages companies to set ambitious reduction targets and reduce their products carbon footprints. The certificate number can be entered on ClimatePartner’s website for additional information such as the supported carbon offset project(s). ClimatePartner is improving lives by helping companies tackle climate change with practical solutions.

Learn more about this certification

Certification Number

743M8T