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Lithium Battery, Lithium Ion Battery, Electric Bike Battery manufacturer / supplier in China, offering 48V 20ah Lithium Battery Pack Rechargeable Battery 48V 20ah for E-Bike, 18650 3400mAh Lithium Ion Battery 100%Authentic, 12V 20ah/60ah/80ah/100ah/160ah/200ah LiFePO4 Battery USP High Power Rechargeable Battery and so on.

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Supplier Homepage Product E-Bike Battery Packs 48V Battery Packs 48V 20ah Lithium Battery Pack Rechargeable Battery 48V 20ah for E-Bike

48V 20ah Lithium Battery Pack Rechargeable Battery 48V 20ah for E-Bike

Purchase Qty.:
5-29 30-99 100+
FOB Unit Price: US $236 US $230 US $220
Purchase Qty. (Pieces) FOB Unit Price
5-29 US $236
30-99 US $230
100+ US $220
Get Latest Price
Port: Shenzhen, China
Production Capacity: 10000PCS/Month
Payment Terms: L/C, T/T, Western Union, Paypal, Money Gram, Cash

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Basic Info
  • Model NO.: BBG4820
  • Connection Mode: Series and Parallel
  • Discharge Rate: Medium Discharge Rate
  • Accessories Type: Chargers
  • Standard Voltage: 48V
  • Electrolyte: Lithium-Ion
  • Battery Cell: 18650 3.7V 2500mAh Battery Cell
  • Charger: 54.6V-4A Aluminum Charger
  • Peak Discharge Current: 120A
  • Application: Electric Bike/Scooter
  • Certification: Ce, RoHS, MSDS, Un38.3
  • Transport Package: 1PC/Carton
  • Origin: Shenzhen
  • Type: Lithium-Ion Battery Pack
  • Rechargeable: Chargeable
  • Size: 82*150*360mm (H*W*L)
  • Rated Capacity: 20ah
  • Usage: Electric Bike/Tricycle/Golf Car
  • Model: 48V 20ah Lithium Rechargeable Battery
  • Configuration: 13s8p
  • Continuous Discharge Current: 40A
  • Motor Power: 350-1000W
  • Warranty: 2 Years
  • Trademark: BBG
  • Specification: CE, RoHS, MSDS, UN38.3
  • HS Code: 8507600090
Product Description
Product Description

48V lithium battery pack 48V Rear rack type lithium battery rechargeable e-bike battery 48v ebike battery pack

Model: 48V 20Ah rear rack lithium-ion battery
Cell: 18650 3.7V 2500mAh cell.
Configuration: 13S8P
Nominal Voltage: 48V
Nominal Capacity: 20Ah
Size: 82*150*360mm (H*W*L)
Net Weight: Approx 7kg 
BMS: Custom BMS with 40A continuous discharging current and 120A peak current. 
Customization: 36/48V 10-30Ah rear rack type battery pack are all available to us with different cells.

The BMS provides protection against overcharge, and short circuit, through monitoring
single string of cells. Also it enables every battery pack to obtain independent balancing function.
Storage and Transportation
(1)Based on the characters of cells, proper environment for transportation of battery pack need to be created to protect the battery.
(2)During transportation,50% SOC must be kept to ensure that short circuit, appearance of liquid in the battery or immersion of battery in liquid never occur.
(3)Battery should be kept at -20ºC~45ºC in warehouse where it is dry, clean and well-ventilated.
(4)During loading of battery, attention must be paid against dropping, turning over and serious stacking.
Specific Details 
Typical Capacity20Ah25ºC,1 C5A discharge
Nominal Voltage48V25ºC,Average Voltage at 0.2 C5A discharge
Charge input voltage110-240V ACWide voltage
Charge current4AWorking temperature:0~35ºC
Charge cut-off voltage54.6VCC/CV
Charge time4-6h 
Working current40A 
Max working current(15S)120A 
Peak Working Current(2S)120AWorking temperature:0~35ºC
Over charge protection4.2±0.05VSingle cell
Over discharge protection 2.75±0.05VSingle cell
Size (H*W*L) 
Weight≤ 7kg 
Storage temperature≤3monthBest 20±5ºC for long-time storage
Storage humidity
≤3month0~30ºCBest storage temperature:20±5ºC
Charge battery  every 3 month
We supply batteries types such as water bottle battery, rear rack battery, silver fish type battery, frog battery, downtube battery, 24/36/48V normal series, we also accept customized battery packs, domestic cell or imported cells are all available. If you are interested, welcome to send your inquiry.

Widely applied in  Electric Bicycle, Electric vehicle, Electric Tricycle, Electric scooter, Electric golf trolley, Electric car, Electric wheelchairs,two wheel vehicles and etc.

1.Long life, large capacity and good shock resistance
2. Low self-discharge and good discharge performance at low temperature
3. Strong charging acceptance and quick-charging capability
4. Strong over-discharge resistance and charge retention
5. Maintenance-free and no acid or water for maintenance in usage
6. Excellent large current discharge performance, and have obvious advantages in startup and climbing
7. High temperature performance
8. Environmental friendly
9. Lighter weight smaller size
10. Most safe no explosion no fire
Warranty Instructions
1.We provide 2 years Warranty.
2.Warranty code: quality problems, defective goods can be fixed or replacement; Man-made damage, inflowing water, fault operation leading to short circuit or burning, damaged by carrier is out of our warranty.
3.Goods should be returned in original condition to qualify for a replacement or repair.

Term of trade
1. Payment: 30% advance payment by T/T, 70% balance should be paid off before shipping.
2. EXW, FOB and CIF all are available.
3. Production lead time:7-10 working days.
4. Sample can be delivered in 3-5 working days.
5. Discounts are offered based on large quantities.
6. Loading port: Shenzhen or HK.
Company Information:
Shenzhen Chixia industry Co., Limited is a professional battery manufacturer of lithium batteries in China ,including : LiFePO4, LiMn2O4, LiNiCoMnO2 and LiCoO2 batteries. Products are widely applicable to E-bikes, E-motorcycles, EVs, golf carts, lawn mowers, electric tools and toys, portable power supply, safe mining equipments, UPS, telecommunication backup power, photovoltaic and wind power storage, etc.
All of our products will be strictly tested before delivering out .We also offer OEM & OEM service.

You are always welcome to visit our factory and cooperate with us! Please contact us freely call us at +86-13267068372. Selina is always here and will do best to help you.O(∩_∩)O
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