Product name : Electric Motorcycle LiFePO4 Battery Pack 48V 27AH‍ItemSpecificationsNominal Capacity27AhNominal Voltage48VCharge TypeCC/CVCharge Cut-off Voltage58.4VDischarge Cut-off Voltage40VTypical Charge current≤5AContinuous Discharge current40APulse Discharge Current (35Seconds)100ABattery Weight≤15KgInternal Resistance<30mΩBattery Cycle Life2000times (80%DOD)Working temperatureCharge0～45℃Discharge-20～65℃Storage temperature-20～60℃Atmospheric pressure86～106KPaRelative humidity25%～80%1. The LiFePO4 Batteries have Long cycle life. No memory effect. More than 2000times cycle life. This is 3times more than Lead Acid Battery and Ni-CD or Nickel Hydride Battery.2. High C-Rate discharge / charge capability. 3. High peak power available under high depth of discharge.4. High energy density,Website:http://www.ener-byte.com, small size and light weight.  Much lighter weight than Lead Acid batteries, VRLA Battery, GEL Battery, OpZs and OPZV Batteires.5. Good performance at high & low temperatures. The LiFePO4 battery can work from temperature range -20 Celsius degrees to +60Celsius degrees. Much better than Lead Acid batteries and VRLA batteries. 6. 100% safe / environmental friendly / maintenance free. LiFePO4 battery does not contain lead and any other heavy metal and toxic materials. It is environmental-friendly in use and disposal.7. Intrinsically safe.  The Battery does not explode when puncture and LiFePO4 material performance is stable in use.