... 2.Pollution-free 3.Long cycle life 4.battery high quality 10.8V 4400mAh rechargeable laptop battery Product Description ... cycly, No memory, environment friendly Advantages: 1, High energy density 2, High working voltage for single battery cells 3, Pollution-free ... , No memory effect 6, Capacity, resistance, Voltage, platform time consistency is good 7, With short-circuit production function, safe and ...