... :EM-5518 3.Voltage:5V 4.Capacity:1800mAh 5.madde manufacturer of battery in China Basic parametersOutput Voltage: DC5.0V±0 ... is a high-performance USB interface, mobile power, using high-quality ultra-thin Li-Polymer batteries designed, good security; built-in ... , iPhone, PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras. manufacturer of battery in China