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

• Customization: Available
• Type: Lithium-Ion Battery Pack
• Connection Mode: Series and Parallel
• Model NO.: BBG-4820RR
• Rechargeable: Chargeable
• Discharge Rate: Medium Discharge Rate
• Size: Medium
• Accessories Type: Battery
• 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
• Transport Package: 1PCS/Carton
• Specification: CE, RoHS, UN38.3
• Trademark: BB
• Origin: Shenzhen
• HS Code: 8507600001
• Production Capacity: 50000PCS/Year

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			4.25V		Over charge detection voltage
				4.15V		Over 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				2.9V	Over discharge detection voltage
					3.0V	Over 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