Features: green energy, high capacity, high energy density, long cycle life (more than 500 cycles), low self-discharge, low internal resistance, no memory effect, excellent general properties. Series: AA, A, SC, C, D available Capacity: From 600mAh to 9000 mAh(vary from AA to D series) Application: digital products, communication apparatus, power tools, electric toys, medical apparatus, shavers, moving lamps and so on . Charge time: standard charge time is 14 hours, Fast charge time is 1.2 hours. For more detailed information, please feel free to let us know. If you have special request , just tell us the technical properties you need, we can customize for you .