1.5v li ion battery pack 2.Model:EM-5518 3.MOQ:1000PCS 5v li ion battery pack Basic parametersOutput Voltage: DC5.0V±0 ... 5V(computer USB Interface or optional charger)Input Current: CC 500mABattery Type: Li-PolymerRated capacity: 1800mAh or 3000mAhCycle ... with a USB interface s,uch as mobile phone, iPhone, PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras.emergency battery external battery pack ...