Lithium battery, rechargeable battery, lithium polymer battery---General series Type: NL106065 Specifications: 1) Rated capacity: 3100mAh or above2) Impedance: ≤30mΩ3) Max. dimensions (T×W×L): 10.5×60.0×65.5mm4) Max. operating current: 1C (3100mA)5) Weight: about 74.0g6) Nominal voltage: 3.7V7) Operating voltage: 2.75-4.2V8) Operating temperature: -20 60oCApplicationsBlue-tooth, MP3, DVD, GSM, PDA, MP4, PMP, Miners' Lamp, Two way radio, GPS, Wireless communication, telematics, security devices, trailer/fleet tracking system, power tools etc.Please contact with us if the product performance above can't satisfy your requirement.We will reply as soon as possible.