3.7v polymer lithium battery pack 1)made of lithium polymer , 2)high energy density 3) ... replacement during serve time of the main machine2.Basic Specification Battery TypeSR5048109Nominal Capacity3000mAh(@0.2C Discharge )Nominal Voltage 3.7V(@0 ... , HEV, EV, Cellular Phone, Interphone, Bluetooth Earphone. MP3/MP4/MP5, Digital Camera, Portable DVD, Portable Television, Vehicle DVR; GPS, PDA, E-book ...