... Li-Polymer 501445 250mAh batteryFeatures:1.High working voltage (3.7V)2.High energy density3.Long cycle life ( ... discharge8.Environmental friendly1) polymer Li battery 501445 headset battery2) 3.7V 250mAH3) CE, RoHS certification4) High capacity5) Long ... Portable office devices: Notebook, PDA, portable electrograph, portable printer. 3.Video devices: GPS, digital camera, camcorder, portable DVD, ...