Product Name: 12V 50ah Rechargeable LiFePO4 Battery for Solar Street Light Model NO.: HWE-4F50 Electrolyte: LiFePO4 Usage: Solar Street Light Standard Voltage: 12.8V Rated Capacity: 50ah Accessories Type: Battery Size: Medium Discharge Rate: Medium Discharge Rate Rechargeable: Chargeable Connection Mode: Series and Parallel Type: LiFePO4 Battery Trademark: HWE Transport Package: Standard Air Transport Packaging Specification: 195*130*182mm Origin: China HS Code: 850760009 Product Description Prouduct DescriptionElectrical CharacteristicsNominal Voltage 12.8v Nominal Capacity50AhEnergy640WhInternal Resistance≤20mΩCycle Life>3000 cycles @ 1C 100% DODMonths Self Discharge<3%Effciency of Charge100%@0.5CEffciency of Discharge96-99%@1CStandard ChargeCharge Cut-off Voltage14.6±0.1VCharge Mode0.2C to 14.6V,then 14.6V,charge current to 0.02C(CC/CV)Charge current10AMax charge current25AStandard DischargeContinuous current10AMax discharge current50ADischarge Cut-off Voltage10VEnvironmentalCharge Temperature0 ºC to 45 ºC (32F to 113F) @60±25% Relative HumidityDischarging Temperature-20 ºC to 80 ºC (-4F to 140F) @60±25% Relative HumidityStorage Temperature0 ºC to 40 ºC (32F to 104F) @60±25% Relative HumidityMechanicalPlastic CaseABSDimension195*130*182mmTerminalM8Weight6.0kgFeatures of LiFePO4 Battery1,Longer Cycle Life:Offers up to 20times longer life and five times longer fioat life than lead acid battery, helping to minimize replacement cost and reduce total cost of ownership.2,Lighter Weight:about 40% of the weight of a comparable lead acid battery. A 'drop in' replacement for lead acid batteries.3,Higher Power:Delivers twice power of lead acid battery,even high discharging rate,while maintaining high energy capacity.4,wider Temperature Range:-20ºC-60ºC.5,Superior Safety:Lithium Iron Phosphate chemistry eliminates the risk of explosion or combustion due to high impact,overcharging or short circuit situation.6,Increased Flexibility:Modular design enables deployment of up to four batteries in series and up to batteries in parallel.