... -5518 3.Voltage:5V 4.Capacity:1800mAh 5.madde manufacturer of battery in China Basic parametersOutput Voltage: DC5.0V±0.25VOutput ... Current:≥ 500mA (Max:800mA)Charging Input Voltage: 5V~5.5V(computer USB Interface ... , PSP, IPOD, MP3,MP4, PMP, GPS, Bluetooth, digital cameras. manufacturer of battery in China