Battery Type: Lithium-ion polymer battery Capacity: 5000mAh Output Volts: DC 5.5+/-0.2V Output Current: 1000mA (Max) Charge Mode: USB port / AC adapter Compatible: mobile phones,iPod,3G iPhone,PDA, MP3/MP4 player,PSP,NDS,GPS etc digital devices Standard accessories: 1pcs USB convert to DC cable 6 pcs charge connectors, which can be optional according to the clients' request.