Anker 335 PowerBank 20000mAh 22.5W (PowerCore 20K)

Rs 18,999.00 Sold out
or pay in 3 x Rs 6,333.00 with Koko Koko

Cash Price

Short Description

Power You Can Bank On
Blazing Fast Speeds
Power for 3 simultaneously
Comprehensive Safety System

  • 6 Months Warranty
Color: Black
Color: Black

Product details

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.

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.


iPhone 13 / 13 Pro / 13 Pro Max / 13 Mini
iPhone 12 / 12 Pro / 12 Pro Max / 12 Mini
Samsung S21
Samsung S22
Google Pixel 5 / 6

iPad 9th Gen

Wireless Earbuds:
AirPods Pro / 3 (with wireless charging case)

Apple Watch:
Apple Watch Series 5 and 7

Frequently Asked Questions

How long does it take for the delivery and what are the charges?
  • The standard delivery time of orders in Colombo is within 2 working days. Island-wide delivery will be made within 3-4 working days.
  • Delivery charges within Colombo will vary based on location, between Rs 299 and 399. Delivery charges to anywhere outside of Colombo will be between Rs 399 and 599. There will be additional charges for heavy weight items & express deliveries
  • Pick-up of orders is available through Monday to Saturday from 10 am to 7 pm from Colombo 03 showroom.
What is SimplyTek’s return and refund policy?

We accept returns for products within a period of 7 days as long as the packaging and contents of products provided initially are in the same bought condition, and not damaged or opened, including all accessories and any other parts associated with the main product. Contact SimplyTek, and returns accepted can be:

(i.) Exchanged for any other product of equal value or higher value having paid the difference.
(ii.) Refunded in the form of store credit, where you can purchase a product in the future for the same value of the returned product(s). Cash refunds will not be provided as per the company’s policy, and any such requests will only be considered upon review by the management.

Returns for warranty claims will be accepted for the due course of the warranty period, and upon inspection and decision of the technical team, the product will be replaced if the issue is covered under the warranty. In an instance where you want to upgrade the product, we will consider the period it has been used, and 50% or more of the initial purchase value will be reduced, and the difference will have to be paid to purchase the upgrade.

What is the warranty period for electronics?

All electronics will have a warranty period of 6 months, and mobile phones will be covered for a period of 1 year, unless specified otherwise. For more information on our warranty policy, visit our After Sales Services page and contact SimplyTek for any further clarifications.