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The JIUMESS 20000mAh Power Bank is a slim, pocketable battery pack with three charging cables and one USB-A input cable built in, so you can top up a phone without carrying a cable. It has a USB-A output port rated at 5V/2.1A and an LED display that shows charge in 25% steps. At 0.5 lb and 0.6 in thick it is easy to carry, but 2.1A output is slower than the 20W-plus fast charging on many current phones, and the built-in cables cannot be replaced if they wear out. It suits people who want a simple, cable-free backup for a phone, tablet or earbuds rather than the fastest possible charge.
In stockSold by JIUMESSReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
With a 4.3 average across thousands of ratings, buyers mostly value the built-in cables and the large capacity for the size. Complaints center on charging speed and on the pack taking a long time to refill.
This is a 20000mAh portable power bank with built-in charging cables. It can charge most smartphones 3 to 5 times. It works with iPhone, Android phones, tablets and Bluetooth headsets.
It has 3 built-in output cables (USB-C, Micro USB and an iOS cable) and 1 USB-A input cable, so no separate cables are needed for charging devices or recharging the power bank. It also has 1 USB output port and 1 micro USB input port. Output is 5V/2.1A.
An LED display shows the remaining power in steps of 25%, 50%, 75% and 100%. An intelligent IC and multiple built-in protection systems guard against overcurrent and short circuit.
