... -voltage,short-circuit,over-load,etc. battery power bank with USB connectors and led lights for portable mibile phone,portable ... iPod,Mobile phones,Digital Camera,MP3,MP4,PSP,NDS etc.Compatible with all USB interface charging equipments. Operating environment:-10°C~45 ... button realizes all the functions; Ultra thin battery power bank with USB connectors and led lights for portable mibile phone,portable ...