... iphone ID resistors inside, compatible with iphone 4/4gs/5, ipod series and ipad- Depress the power button and start chargingPrecautions:- ... , over discharge happened, the unit will turn into protection model. To reactivated the unit, charge it again with an AC adaptor or ... is not ready charging mode. Plug in the mobiles and depress power button to start charging. Instead of ready-charging, plug ...