... , MP3/MP4 player,NDS,PSP GPS,PDA,etc1. Battery Type: Lithium-ion polymer battery 2. Capacity: 5000mAh 3. Output Volts: 5.5V ... ,NDS,PSP GPS,PDA,etc digital devices. KOMAY 5000mAh 9600mAh Portable battery mobile power charger power pack power bank for mobile phone ...