... . End Voltage3.0 V Capacity : from 40mAh to 50Ah; Voltage from 3.7v to 44.4v; Constant Discharge Rate: 1C-15C\20C ... in GPS battery, Portable DVD battery, PDA battery, Cellular phone battery, mobile phone battery, notebook battery, earphone battery, blue tooth battery, Medical devices battery, MP3 battery,MP4 battery,RC toys battery, RC helicopter battery ...