Product Name: 12V 400ah LiFePO4 Battery Lithium Battery Pack with BMS for Solar Model NO.: 12400 Rechargeable: Chargeable Installation: Fixed Electrolyte: LiFePO4 Battery Cell Shape: Square Battery Discharge Rate: Low Discharge Rate Nominal Voltage: 12V Usage: UPS, Electric Power, Lighting, Boat, Solar System Type: LiFePO4 Battery Cell Application: RV/ Solar System Packing Details: by Carton Box with Wooden Fuming Pallet Cycle Life: 5000 Times Certificate: Ce/ RoHS Warranty: 3 Yeats Trademark: EASTAR Transport Package: Carton Origin: Guangdong, China (Mainland) HS Code: 85072000 Product Description 12V 400Ah LifePO4 battery lithium battery pack with BMS for solarParametersNominal Voltage: 12.8VNominalCapacity: 400AhCombination way:4S4P(3.2V100AH lifepo4 cells)StandardChargeCurrent: 10A(0.2Crate)Max.ChargeCurrent: 20A(1Crate)Working voltage:9.4vStandardDischarging current : BMS100ahChargeCut-offVoltage:3.65VDischargeCut-offVoltage:2.5VInnerResistance(Impedance):420mΩ(At0.2Crate,2.0Vcut-off)Battery cell typeQuality lithium ion lifepo4 battery: 12v 100ah weight: 48.0 KGS,Dimensions:350*350*250mm