LENCO PBC-50 Mode D'emploi page 8

The Indicator shows charging condition as follows
Power level
0 – 25%
25 – 50%
50 – 75%
75 – 99%
Fully charged
Charging error
Note: The check button is not an ON/OFF switch. The PBC-50
automatically detects operational states, and no button clicks are needed.
When the PBC-50 becomes empty, the indicator lights will turn off within
one minute.
D. Charging your device
Connect your digital device (MP3 player, Bluetooth earphone or other
device) to the USB-A connector outside of the case or to the micro USB
cable inside of the case.
As charging is in progress, the PBC-50 indicator lights will be flashing.
LED 1 LED 2
Blinking
On Blinking
On
On
On
Blinking Blinking
8
LED 3
Off Off
Off
On Blinking
On On
On On
Blinking
LED 4
Off
Off
Off
Blinking
On
Blinking