... aluminium aloy 7800MAH Power Bank, Mobile Power,Portable For Iphone Product Parameter Battery Cell: Li-polymer cellCapacity: 7800mAhInput: DC5V, 1A ... for three months when fully charged.With safety design, product enables to protect over-charging, over-discharging, over-heat ... protection design ensures the safety and extends the charger’s life cycle.3. One year warranty promise, we will replace the ...