Basic InfoModel NO.:BN4812BDType:Lithium-Ion Battery PackConnection Mode:Series and ParallelRechargeable:ChargeableDischarge Rate:Medium Discharge RateSize:MediumAccessories Type:BatteryRated Capacity:>1000MAHStandard Voltage:48VUsage:Electric VehicleElectrolyte:AcidityWarranty:15 Months Specifications:    High voltage, high capacity, high energy . No memory effects . Longer storage life. Low maintenance and safety, customizeds.Feature and benefits:     1. High quality, high voltage and high capacity 48V/12AH Li-ion  rechargeable battery pack.     2. Higher energy density than any rechargeable battery .     3. No memory effects, longer storage life, light weight.     4. Resist overcharging and safety.     5. Ideal for power intensive devices like E-bike, communication, power stations, radios and Audios,remote control cars, and much more.     6. Perfect for portable or emergency power source Medical application transportation.Technical Specifications:name48V 12AH Lithium  batterymodelBN4812BDMaterialMnNiCo Composite Material + LiMn2O4Battery Pack Dimension (mm)365mm X 136mm X 89mm (L X W X H)Nominal Capacity (C2, 25℃ )12Ahnorm voltage48vmax charge voltage54.6vContinuous Charge Current (A)2AMaximum Charge Current (A)5ACharging Mode (Constant Current/Constant Voltage)2A X 6.5hDischarge Cut-off Voltage (V)≥ 39VContinuous Discharge Current (A)≤ 10AMaximum Continuous Discharge Current (A)≤ 15ACycle Life at 100% D.O.D.≥ 800 CyclesCharge Port / Discharge PortCannon Plug / 3 Square Pin Plug: N-Positive, L-NegativeCapacity Retention Rate at 0℃≥ 90%Product Description