Smartphones and tablets as well as many other portable devices.
Just charge your device on the go. Whether traveling or on the train,
With a USB charging cable, they quickly have full power again.
Different colors available eg white / orange or white / green.
Comes without USB cable.
Input: 5V / 1A
Output: 5V / 2A
– Power Bank
How often can you charge your phone?
At 20000mAh about 4x full battery power.
However, this is also dependent on the corresponding terminals