LiFePO4 batteries are very commonly used in today'solar light,storage system and consumer electronics,have a very long shelf life,can be recharged up to 2000 times.And LiFePO4 batteries have no memory effect,can be charged at any time,do not need to be fully discharged before charging. Specification Cell Configuration:cylinder Nominal Capacity: 6000mAh Mimimum Capacity: 5950mAh Internal Impedance: 25mΩ Nominal Voltage: 3.2V Discharge Cut-off Voltage: 2.0V Charge Cut-off Voltage:3.65 V Charge Method: CC/CV Standard Charging Current: 1000mA Standard Discharge Current: 1000mA Fast Charging Current: 6000mA Max Discharging Current: 18000mA Maximum Continuous Charge Current: 1C Maximum Continuous Discharge Current: 3C Dimensions(mm):32.5mm (dia.)*65.5mm(ht.) Weight:150 g Charge Temperature Range: 0°C~45°C Discharge Temperature Range: -10°C~60°C Storage Temperature Range:Less than 1 year:-20~25°C,Less then 3 months:-20~40°C Cycle Life (80% DOD): 3000 cycles Features  * High quality * Factory price, fast delivery * Long cycle life, No memory effec * High safety, environment friendly * High working voltage for single battery cells * Widely application for electronics and industries