Charge 31890
Important:
Charge your 31890 the initial time for a full 10 hours before regular
use. After the initial charge, normal charging will take approximate 6 hours.
Using the supplied USB charging cable, plug the micro USB tip into 31890
input port (shown as above). Then insert the USB connector into a computer
(USB port) or into an AC power source with a USB charging adapter (31803,
31808, 31809).
While charging the power bank 31890, the LED power indicator will turn on.
When the Power Bank 5200 is fully charged, the LED power indicator will show
“FU” (Full).