... constant voltage)12Cycle lifeAfter 2000cycle,capacity more than 80%nominal ... battery cells3, Pollution-free4, Long cycle life5, No memory effect6, Capacity, resistance, Voltage, platform time consistency is good7, With short-circuit production function, safe and ... and cost-performance ratio2, Tags, plugs and connectors are available3, We could design and produce the battery pack with plastic shell and ...