Fully charges iPhone, Galaxy or other smartphonesPatented "SmartJack" keeps the power for one yearNo Overload, No Overcharge, No Overheat, No Reverse Charge2400mAh lithium-ion batteryIncludes Flashlight and 8-LED Lantern. Weights Only 3.5 ozBattery(s): 1 Li-IonDimensions: 1.38x3.74x1.06 h (inches) / 3.50x9.50x2.70 (cm)