1.Voltage:3.7v 2.Capacity:550mAh 3.CE,ROHS 4.OEM ,OD small capacity rechargeable 3.7v 600mah lipo battery 612338 for toys Item Specification Nominal Voltage 3.7V Nominal Capacity6 550mAh(0.2C discharge) size 6.1*23*38mm Composed Type 1S Max Charge Protetion Voltage 4.2V Cut-off Discharge Voltage 3V Charging Current 0.2C Charging Time 2H Charge Method CC-CV (constant current and contant voltage ) Max Discharge Current 1C Recharge Cycle Life 800times Working Temperature Charge 0~45C,45~85%RH Dis-charge -20~60C,45~85%RH StorageTemperature One month -20~60C,45~85%RH and Humidity Three months -20~45C,45~85%RH One year -20~25C,45~85%RH Protection Fuctions Over charge, Over discharge, Over load, Short Circuit Certification CE ,RoHS,ISO9001 Warranty 12months