Product Name: Light Weight High Power 12V 50ah 18650 Rechargeable LiFePO4 Li-ion Lithium Storage Battery Pack Model NO.: LFeLi-1250M Rechargeable: Chargeable Installation: Packaged Electrolyte: Li-ion Shape: Square Battery Discharge Rate: High Discharge Rate Nominal Voltage: 12V Usage: UPS, Electric Power, Lighting, Electric Bicycle, Boat Type: Lithium-Ion Batteries Nominal Capacity: 50ah Cycle Life: 5000 Times Warranty: 5 Years Weight: 7.00kg (15.43lbs) Certificate: Ce/Rosh/UL/MSDS/Un38.3 Color: Grey, Black, Red, Green.White OEM/ODM: Accepatable Battery Protection: PCM/PCB Container Material: ABS / Customized Trademark: Yangtze Transport Package: Air / Sea / Express Specification: 257*132*200mm, Customized Origin: China HS Code: 8506500000 Product Description Key Features :♦Longer Cycle Life: Offers up to 20 times longer cycle life and five times longer float/calendar life than lead acid battery ,helping to minimize replacement cost and reduce total cost of ownership♦Lighter Weight :about 40% of the weight of acomparable lead acid battery .A "drop in" replacement for lead acid batteries♦Higher Power: Delivers twice power of lead acid battery ,even high discharge rate, while maintaining high energy capacity♦Wider Temperature Range :-20ºC~60ºC♦Superior Safety: Lithium Iron Phosphate chemistry eleminates the risk of explosion or combustion due to high impact overcharging or short circuit situationApplications :♦Wheelchairs and scooters♦Solar/wind energy storage♦Back-up power for small UPS♦Golf trolleys&buggies♦Electric bikesElectricaCharacteristicsNominal Voltage12.8VNominal Capacity50AhEnergy640WhInternal Resistance(AC)≤20mΩCycle Life>2000 cycles @1C 100% DODMonths Self Discharge<3%Efficiency of Charge100% @0.5CEfficiency of Discharge96~99% @1CStandard ChargeCharge Voltage14.6±0.2VCharge Mode0.2C to 14.6V, then 14.6V, charge current to 0.02C(CC/CV)Charge Current25AMax. Charge Current50ACharge Cut-off Voltage15.6±0.2VStandard DischargeContinuous Current80AMax.Pulse Current100A(<3s)Discharge Cut-off Voltage8VEnvitonmentalCharge Temperature0ºC to 55ºC (32F to 131F) @60±25% Relative HumidityDischarge Temperature-20ºC to 60ºC (-4F to 140F) @60±25% Relative HumidityStorage Temperature-20ºC to 45ºC (-4F to 113F) @60±25% Relative HumidityIP ClassIP65MechanicalPlastic CaseABSApprox.Dimensions257mm*132mm*200mm (10.12in.*5.20in.*7.87in.)Approx.Weight7.00kg (15.43lbs)TerminalM6♦ Battery factory Founded in 1996 ,2 million batteries annual production capacity♦ Products including Lithium battery, valve regulated lead acid battery ,Gel battery ,deep cycle battery , OPzV and OPzS battery♦ Products are exported to more than 150 countries♦ Products are certified by CE ,UL ,Rohs♦ Mature and very well respected AGM and GEL technologies for valve-regulated lead-acidbatteries ranging from 2Ah to 3000Ah=====================================================================================Contact US :
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