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Shenzhen Urun Battery Co., Ltd.
Shenzhen Urun Battery Co., Ltd.
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Rear Rack Portable Lithium Ion Battery 36V / 48V For Electric Bikes

Shenzhen Urun Battery Co., Ltd.
Shenzhen Urun Battery Co., Ltd.
Country/Region: China
Tel: 86-755-2308-1423
Contact Person:
Mr Urun

Rear Rack Portable Lithium Ion Battery 36V / 48V For Electric Bikes

Brand Name : Urun
Model Number : URB-UR4820
Certification : CE,ROHS,UL
Place of Origin : Guangdong
MOQ : 10 PCs
Price : US$315/piece
Payment Terms : L/C, D/A, D/P, T/T, Western Union and Paypal
Supply Ability : 10086PCs per month
Delivery Time : 5-8 work days
Packaging Details : Cartoon, dimension customized
Material : Li-NCM
Voltage : 48V
Capacity : 20Ah
Color : Black
Dimension : 395mm*150mm*80mm
Weight : 4.5KG
Discharge current : 1C/3C
Lead time : 7 working days
Warranty : 12 months
Cycle time : 800 times
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Rear Rack Portable Lithium Ion Battery 36V 48V For 19inch and

20 Inch Bike Pedelec

Product Parameters

Nominal voltage
Nominal capacity
Cell inside
18650 lithium ion battery2200mAh
Working votlage
Max. voltage
Min. voltage
Standard charge current
Max. continuous discharge current
Peak discharge current
Net weight(Approx.)
About 4.5kg
Cycle life
Operating temperature
0ºC~ +45ºC

Lithium ion battery power Application

1. Electric bicycles, tricycles, ecycles,electric motor, golf cart,electric scooter,smart wheels and other transport tools

2. Backup power,ESS and UPS

3. Lighting,Electric fin and other electric powered applications

Product Details

Product Processing

Shipping & Packing


1. Use at temperature below 40°C,charge fully prior to long storage periods or if it has been stored for more than three months

2. If you find any single battery voltage is under 2V at room temperature,the battery has been over-discharged or is self- discharging due to some defect/parasitic load. Discontinue use until the fault can be corrected and the battery be recharged

3. Store in an open,well ventilated,dry,clean area, between -20°C to 40°C for maximum life. self-discharge will accelerated at higher temperature

4. Don’t expose the battery to extremes

After-sales service

Aim to long term cooperation,all battery power we produce and sale have 12 months warranty since goods are received.In case some unpredicted quality problem(Violent transportation,improper using,extrem environment condition) pls do read manual or ask suggestion from us. Mainly 3 ways to solve after sales service problem.
1. Remote Technical support (help on some easy problems)

2.Sending some necessery material/conponents freely and fix it by yourself or your local Technical worker.


About large amount or tender order,all comply to contract.

Battery belong to DG products and freight cost is very expensive.To ensure your benefit, we will do our endeavour to solve any unpredicted problems.

Mutual communication and trust can last long benefit.Thanks and wish your support!

Contact info

Cell Phone +86 13392169903

Skype jason-greenergy


Alibaba Web

Maoyt Web ttp://

Product Tags:

Ebike Battery Pack


Electric Bike Lithium Battery

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