... capacity. Rechargeable ultrathin Li-polymer battery 3.7v 200mAh 502030Speifictions:1. safety very well.2. small impendance.3. lighter ... 3. A Grade Battery 4. Manufacturer ,OEM/ODM Produce 1. Model No.:JN502030 2. Capacity(mAh): 200mAh 3. Voltage ... ; -20~35 Applications: GPS, Electronic lighter,Portable DVD, PDA, Cellular phone, notebook, earphone, bluetooth devices, MP3, MP4, R/C toys, power ...