The powerbank status can be seen on the LED
in the bottom of the device.
The blue light is constantly lit when fully charged,
and will go out when the powerbank is
discharged.
The current status can be seen by the number
of flashes from the LED. To see status, gently
shake the powerbank.
Flashes
Flashes
once
twice
Flashes
Flashes
three times
four times
5