Tecknet iEP390 Mode D'emploi page 4

2. Recharging your devices
There is an on/off power switch on the iEP390 Power Bank.
Upon Pressing the "switch button"and the "LED power indicator"
will illuminate for 2 to 3 seconds. After that, the Power Bank will
start charging your devices. To stop charging your device, simply
disconnect the device from the iEP390 Power Bank. The power
output will remain for 30-35 seconds and automatically switch off
if the Power Bank is not connected with any device within this
period.
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Battery Capacity Indicator & LED Light Switch Button
The LED power indicators provide information about the battery
charging status and battery power level:
Press the "switch button" to check power level, the LEDs will
illuminate for 30~50 seconds.
LEDs indicate:
1 LED Flashes: <20% Power
2 LED on: 40% Power
4 LED on: 80% Power
LED Torch
There is a LED Torch located at the front of the Power Bank.
To switch it on, short press the Switch Button twice; and to switch it
off, short press the Switch Button twice again.
All manuals and user guides at all-guides.com
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1 LED on: 20%Power
3 LED on: 60% Power
5 LED on: 100% Power