MC0238W Features Designed to work with the Samsung Galaxy S5 i9600 Can function as both an external backup battery and case Features 3800mAh high capacity Lightweight for ease of carrying General Specs Capacity 3800mAh Input 5V， 0.5A Output 5V， 0.5A Battery Type Lithium polymer battery Charging Time 6 h Compatibility Samsung Galaxy S5 i9600 Package Details Weight: 178.69 g Size: 16.5*10*2.6 cm