Specifications: Compatiblility:Samsung Galaxy S7 Duos G930,G930F,G930FD Battery:LI-polymer battery Charging time:5 hours Input Voltage:5V Input Current:1A(Max) Output Voltage:5V Output Current:2A(Max)Weight:3.88ouncebr>Dimensions:6.04*2.8*0.7inches Package Contents:1.Rechargeable Extennal Battery Case x 1 2.User Manual x 1 How to use: To charge the phone with the battery case: Slide your phone into the battery case, then press the power button to activate charges.To check the battery level please press the power button check the level by the number of LED lights. Installation: 1.Pop off the top portion,slide your phone gently into the case,making sure the phone is well connected to micro USB 2.0 connector inside the case,Once connected, you simply slide the top of the case back on and it should snap in place. 2.To charge the battery case: connect the charging cable to the USB input interface on the case, then connect the cable to a usb charger.Please note that there is no cable inclued in the pacakge.Then press the power button to charge case or phone and case simultaneously if phone is set inside. The battery case is fully charged when all four LED lights are on and stop flashing. **Notes:When charging the battery case with phone inside the case, the phone battery will be charged first.,after fully juice up your phone the charge of battery case will begin.
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