Product Name: Lithium Battery Model NO.: EX51.2-78 Rechargeable: Chargeable Installation: Packaged Nominal Voltage: 48V Usage: Car, Bus, Electric Power Type: Lithium-Ion Batteries Origin: China Product Description Lithium Battery ParameterModel: EX51.2-78Type: Power BatteryBattery Cell: Lithium Iron Phosphate BatteryVoltage: 51.2VCapacity: 78AH (3,993WH)Cycles: >2,000 (>80% Initial Capacity)ModelL(mm)W(mm)H(mm)Weight(Kg)Box MaterialInstallation MethodEX51.2-7836030028039.5ElectrophoresisIron boxPackagedSafety PerformanceOverdischargeNo Explosion, No Fire, No LeakageDischarge for 90 min (1C)OverchargeNo Explosion, No FireCell Voltage 5.5V (1C)Short Circuit TestNo Explosion, No Fire, No LeakageFull charged, external short circuit for 10 minutesDrop TestNo Explosion, No Fire, No LeakageFull charged, with the positive and negative terminals are down, fall at a height of 1.5 meters.Heating TestNo Explosion, No Fire30min(@ 130±2ºC)ExtrusionTestNo Explosion, No FireFull charged, the deformation reaches 30%, or the pressing force reaches 200KN.Acupuncture testNo Explosion, No FireAfter Ø8mm steel needle running through 25 mm/s, 1 hour laterLow Air Pressure testNo Explosion, No Fire, No Leakage6h @ 11.6KPSeawater Immersion TestNo Explosion, No Fire, No Leakage3.5% salt water soakTemperature Shock TestNo Explosion, No Fire, No Leakage300min (@85ºC)Charge and Discharge ParametersContinuous Discharge Current120AMAX Discharge Current240A (15 min)Maximum Charging Current78ACharge Cutoff Voltage58.4VDischarge Cutoff Voltage40VRecharging Current17AOne Full Recharging Time5hWorking Temperature-20ºC~60ºCStorage Temperature-40ºC~60ºCStorage Battery Capacity70%Capacity DisplayCAN communication accurate displayHeating Equipment-20ºC~20ºC, 1hRecharge Mileage54 holes course or 50kmBMSBMS TypeBMS+RelayBMS FunctionOvercharge ProtectionOverdischarge ProtectionOvercurrent ProtectionOverheat ProtectionShort Circuit ProtectionPassive equilibriumBMS CommunicationCapacity DisplaychargingHeating EquipmentContent1: Battery2: BDI3: CAN wire