Product Name: 48V Rear Rack Type 18650 Battery Pack/Lithium Battery Pack Model NO.: BB-EB48RR Electrolyte: Li-ion Usage: E-Bike Standard Voltage: 48V Rated Capacity: >1000MAH Accessories Type: Battery Size: Medium Discharge Rate: Medium Discharge Rate Rechargeable: Chargeable Connection Mode: Series and Parallel Type: Lithium-Ion Battery Pack Application: E-Bike, E-Scooter Structure: Icr18650 13s Dimension: 144.8*56.7*270mm Cells: 78PCS 18650 in Total Trademark: BB Transport Package: 1PCS/Carton Specification: CE, RoHS, UN38.3 Origin: Shenzhen HS Code: 8507600001 Product Description 48V Rear Rack Type 18650 Battery Pack/Lithium Battery PackSpecificationItemParametersRemarkTypicalCapacity10-13.20Ah25ºC,1C5AdischargeNominalVoltage48.0V25ºC,AverageVoltageat0.2C5AdischargeChargeinputvoltage110-240VACWidevoltageChargecurrent2-5AWorkingtemperature:0~35ºCChargecut-offvoltage35.75VCC/CVChargetime2.5-5hWorkingcurrent10-15AMaxworkingcurrent30-45AWorkingtemperature0~35ºCOverchargeprotection4.2±0.05VSinglecellOverdischargeprotection2.75±0.05VSinglecellBalancecurrent60mABalanceactivevoltage4.175VWeight≤ 5kgStoragetemperature≤3monthBest20±5ºCforlong-timestorageStoragehumidity≤3month0~30ºCBeststoragetemperature:20±5ºCChargebattery every3month≤6month20±5ºC65±20%RH20±5ºCDimensionCavitysize:144.8*56.7*270mmExternalDimensionAppearancesize:435*160*60mmProductfeatures:ShelftypelargecapacityLengthofaluminumshellcanbeselfintegralcontrollerboxRecommendedtoinstalltheelectriccorenumber:1865078PCSInstructionoftheBatteryPackStructure(1)Battery modules78 cells, 6 parallel and 13 serial to make a battery module.(2)Protective boardThe protective board, provides protection against overcharge, and short circuit, through monitoringsingle string of cells. Also it enables every battery pack to obtain independent balancing function(3)Charge/discharge standards for cellCell adopted: ICR3.7V2200mAhConstant charge current: 0.2 C5A -1 C3A is the best. cell max voltage<4.3V.Constant discharge current: single cell min voltage> 2.75VRapid charge capability: Max. charge current1C3A;temperature increase falls within 15°C isnormal while over 15°C will affect the cycle life of cell.
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