Guangdong, China
Business Type:
Manufacturer/Factory
Management System Certification:
ISO 9001
Main Markets:
North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, ...
OEM/ODM Availability:
Yes
OEM/ODM Service
Sample Available

Lithium Battery, Li-ion Battery, Battery manufacturer / supplier in China, offering 48V 20ah Rear Rack Lithium Battery Pack for E-Bike, 48V 14ah 13s4p Bullet Trains Style Lithium Battery E-Bike Battery Water Bottle Battery Down Mounted Battery Shark Battery Power Li-ion Battery for E-Vehicles, 48V 16.5ah 13s5p New Hl-3 E-Bike Lithium Battery Pack and so on.

Gold Member Since 2015
Audited Supplier

48V 20ah Rear Rack Lithium Battery Pack for E-Bike

Get Latest Price
Min. Order / Reference FOB Price
5 Pieces US $290/ Piece
Port: Shenzhen, China
Production Capacity: 50000PCS/Year
Payment Terms: L/C, T/T, Western Union, Paypal
Type: Lithium-Ion Battery Pack
Connection Mode: Series and Parallel
Rechargeable: Chargeable
Discharge Rate: Medium Discharge Rate
Size: Medium
Accessories Type: Battery

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Basic Info

Model NO.: BBG-4820RR
Rated Capacity: >1000MAH
Standard Voltage: 48V
Usage: E-Bike
Electrolyte: Li-ion
Application: E-Bike, E-Scooter
Structure: Icr 18650 2200mAh 13s9p
Color: Black
Continuous Discharge Current: 15A-20A
Peak Discharge Current: 45A
Trademark: BB
Transport Package: 1PCS/Carton
Specification: CE, RoHS, UN38.3
Origin: Shenzhen
HS Code: 8507600001

Product Description

48V 20Ah rear rack lithium battery pack for e-bike

Features
1. 48v li-ion battery pack
2. 800 time cycle life
3. fashion case, light weight, small volumn
4. stable performance
5. High capacity

Specification
NO
Item

General Parameter

Remark
1
Model
BBG-4820RR 
2(0.5C)
Standard capacity(0.5C)
20Ah 
3
Rated voltage
48V 
4
Max. charge voltage
54.6V:4.20V
Single Ave. charge Voltage
5 

Over charge protection
 
 4.25VOver charge detection voltage
   4.15VOver charge release voltage
6
Standard charge current
2-5A 
7
Charging time
About 2.5-7h 
8
Discharge cut-off voltage
37.7V:2.9V
Single Ave. Discharge Voltage
9 

Over discharge Protection
 
 2.9VOver discharge detection voltage
   3.0VOver discharge release voltage
10
Max. continuous discharge current
15-20 A 
11
Peak discharge current
45A 
12
Short circuit protection

Detetion delay time
25μs
Release condition

Cut-off load
12
Battery dimension
450*150*48 mm 
13(Approx.)
Total weight(Approx.)
About 6kg 
 
14
 
 

Operation temperature

Standard
0ºC~45ºC 
  
Discharge
-20ºC~65ºC 
  
Storage
-20ºC~65ºC 

Battery modules
1. 117pcs ICR18650 2000mAh 13s9p
117pcs ICR18650 cells,9 parallel and 13 serial to make a battery module.

2 . Protective board
The protective board, provides protection against overcharge, and short circuit, through monitoring
single string of cells. Also it enables every battery pack to obtain independent balancing function

3. Charge/discharge standards for cell
  ICR18650 2200mAh.
 Cell adopted:  ICR18650 2200mAh.


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) ,PayPal,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.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.
 
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

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