... currents can be adjusted.Application Range: (Apple, HTC, Blackberry, Samsung, Sony Nokia Motorola..etc.), 5V tablet pc, digital cameras, and other ... Model:i4500Internal Battery type:3.7V Li-polymer cellsCapacity:4500 mAh Input:5V-1000mAh Output:1&2(FIXED)5V- 1000mahStandby time ... charger for iphone/4/4S blackberry Samsung HTC Nokia Motorola Sony PSP GPS smart mobile phone