48V 20ah Rear Rack Lithium Battery Electric Bike Battery with 2 Years Warranty

Type: Lithium-Ion Battery Pack
Connection Mode: Series and Parallel
Rechargeable: Chargeable
Discharge Rate: Medium Discharge Rate
Size: 82*150*360mm (H*W*L)
Accessories Type: Chargers
Customization:

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Basic Info.

Model NO.
BBG4820
Rated Capacity
20ah
Standard Voltage
48V
Usage
Electric Bike/Tricycle/Golf Car
Electrolyte
Lithium-Ion
Model
48V 20ah Lithium Rechargeable Battery
Battery Cell
18650 3.7V 2200mAh Battery Cell
Configuration
13s9p
Charger
54.6V-4A Aluminum Charger
Continuous Discharge Current
30A
Peak Discharge Current
100A
Motor Power
350-1000W
Application
Electric Bike/Scooter
Warranty
2 Years
Certification
CE, RoHS, MSDS
Transport Package
1PC/Carton
Specification
CE, RoHS, UN38.3
Trademark
BBG
Origin
Shenzhen
HS Code
8507600001
Production Capacity
10000PCS/Month

Product Description

Product Description

48V 20Ah rear rack lithium battery electric bike battery with 4A aluminum charger and 2 years warranty.

Features
Model: 48V 20Ah rear rack lithium-ion battery
Cell: 18650 3.7V 2200mAh cell.
Configuration: 13S9P
Nominal Voltage: 48V
Nominal Capacity: 20Ah
Size: 82*150*360mm (H*W*L)
Net Weight: Approx 7kg 
BMS: Custom BMS with 30A continuous discharging current and 100A peak current. 
Customization: 36/48V 10-30Ah rear rack type battery pack are all available to us with different cells like Samsung INR18650-29E 2900mah cells or Panasonic NCR18650B 3400mah cells etc.

BMS
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 
ItemParametersRemark
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 current30A 
Max working current(15S)80A 
Peak Working Current(2S)100AWorking temperature:0~35ºC
Over charge protection4.2±0.05VSingle cell
Over discharge protection 2.75±0.05VSingle cell
Size (H*W*L) 
82*150*360mm 
 
 
Weight≤ 7kg 
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
 
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.


Key Application
Widely applied in  Electric Bicycle, Electric vehicle, Electric Tricycle, Electric scooter, Electric golf trolley, Electric car, Electric wheelchairs,two wheel vehicles and etc.
 
Payment Terms
1.We accept bank transfer(T/T) , Western Union, MoneyGram, PayPal and Cash.
2.If you prefer other payment method,please contact us by email.

Shipping Terms
1.Samples order: sending by Express ( DHL/ UPS/ FEDEX/ TNT )
2.Bulk order: sending out by air/express/sea.

Warranty Instructions
1.All the battery we provide have 2 years warranty and the battery testing report will be sent to you before shipping. 
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.

Advantages
1.OEM&ODM manufacture, design any of special shape, dimension and other requirements battery packs
2.Good quality, competitive price, fast delivery, excellent service. 
3. Wonderful package, stable shipment, 100% testing and inspection before shipment to insure the quality. 
4.CE, ROHS, UN38.3, UL, MSDS certificates.
5. Quick action&response,every inquires will be relied within 24 hours.
 
Please contact us freely call us at +86-13267068372. Selina always here and will do best to help you.
 

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