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SHENZHEN BATTERYBUILDING INDUSTRY CO., LIMITED

Lithium Battery, Battery Pack, Li-ion Battery manufacturer / supplier in China, offering 48V Rear Rack Type 18650 Battery Pack/Lithium Battery Pack, 12V 8.25ah 4s3p LiFePO4 Battery Pack Small Battery UPS Battery Lithium Rechargeable Battery Power Battery Motorcycle Battery PVC Battery, 48V 13s 1 to 5AMPS Advanced Charger Smart Charger Digital Display Charger Ebike Charger 1A/2A/3A/4A/5A Adjustable Charger and so on.

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Supplier Homepage Product E-Bike Battery Packs 48V Battery Packs 48V Rear Rack Type 18650 Battery Pack/Lithium Battery Pack

48V Rear Rack Type 18650 Battery Pack/Lithium Battery Pack

FOB Price: US $198 / Piece
Min. Order: 5 Pieces
Min. Order FOB Price
5 Pieces US $198/ Piece
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Production Capacity: 50000PCS/Year
Transport Package: 1PCS/Carton
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: BB-EB48RR
  • Connection Mode: Series and Parallel
  • Discharge Rate: Medium Discharge Rate
  • Accessories Type: Battery
  • Standard Voltage: 48V
  • Electrolyte: Li-ion
  • Structure: Icr18650 13s
  • Cells: 78PCS 18650 in Total
  • Specification: CE, RoHS, UN38.3
  • HS Code: 8507600001
  • Type: Lithium-Ion Battery Pack
  • Rechargeable: Chargeable
  • Size: Medium
  • Rated Capacity: >1000MAH
  • Usage: E-Bike
  • Application: E-Bike, E-Scooter
  • Dimension: 144.8*56.7*270mm
  • Trademark: BB
  • Origin: Shenzhen
Product Description
48V Rear Rack Type 18650 Battery Pack/Lithium Battery Pack

Specification
 
ItemParametersRemark
Typical Capacity10-13.20Ah25ºC,1 C5A discharge
Nominal Voltage48.0V25ºC,Average Voltage at 0.2 C5A discharge
Charge input voltage110-240V ACWide voltage
Charge current2-5AWorking temperature:0~35ºC
Charge cut-off voltage35.75VCC/CV
Charge time2.5-5h 
Working current10-15A 
Max working current30-45A 
Working temperature0~35ºC 
Over charge protection4.2±0.05VSingle cell
Over discharge protection 2.75±0.05VSingle cell
Balance current60mABalance active voltage 4.175V
Weight≤ 5kg 
Storage temperature≤3monthBest 20±5ºC for long-time storage
 
Storage humidity
≤3month0~30ºCBest storage temperature:20±5ºC
Charge battery  every 3 month
≤6month20±5ºC
65±20%RH20±5ºC


 
 
Dimension
Cavity size :144.8*56.7*270mm
External Dimension
Appearance size:435*160*60mm
Product features:Shelf type large capacity Length of aluminum shell can be self integral controller box
Recommended to install the electric core number:18650 78PCS

Instruction of the Battery Pack Structure
(1)Battery modules
78 cells, 6 parallel and 13 serial to make a battery module.

(2)Protective board
The 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 cell
 Cell adopted:  ICR3.7V2200mAh 
 Constant charge current: 0.2 C5A -1 C3A is the best. cell max voltage<4.3V.
 Constant discharge current: single cell min voltage> 2.75V
 Rapid charge capability: Max. charge current1C3A;temperature increase falls within 15°C is
normal while over 15°C will affect the cycle life of cell.
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