... High Stability and Safety 2.Long Cycle Time 2000 3.OEM/ODM, UL,CB,RoHS,UN38.3 4.2 Year Warranty,Small size ... : Model:TB-3220FHTypeLiFePO4 battery cellNominal voltage: 3.2VTypical capacity20AhInternal Impedance(1kHz AC)<4mΩMax Charge voltage3.65±0.05VDischarger cut ... equipment: Laptop, camcorder, PDA, Digital camera, portable DVD etc.2. Home appliances: Two-way radio, Walkie-talkie, Electric toys, ...