... battery 1.Nominal Voltage 10.8V 2.Pollution-free 3.Long cycle life 4.battery high quality 10.8V 4400mAh ... No memory, environment friendly Advantages: 1, High energy density 2, High working voltage for single battery cells 3, Pollution-free ... resistance, Voltage, platform time consistency is good 7, With short-circuit production function, safe and reliable 8, Factory price& High quality high quality 10. ...