Комплект резервного аккумулятора 48 В 20 Ач для электровелосипеда, задняя стойка аккумулятора для литиевой батареи двигателя 1500 Вт 10 - 20 Ач

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Описание и отзывы


48v 1000w Electric Bike Kit Backup Battery Rear Rack Battery for 1000W Motor

Product Description



48V 20AH Lithium electric bike Battery

1. Basic Characteristics




80*148*395mm  or custom

Number of cells

104 or custom

Working temperature

Charge Temperature


Discharge Temperature


Retention of charge (store in one month)


2. Technical Data

Rated Voltage


Rated Capacity C1


 Battery Resistance

 ≤4 mΩ


Way of Charge

CC/CV(Constant Current;Constant Voltage)

Standard Charge Current


Max Charge Current  


Max Charge Voltage 


Cell OverCharge Protection Voltage



Standard Discharge Current

30A  can be customized

Max Continous Discharge Current

50A  can be customized

Discharge Cut-off Voltage


Cell Overdischarge Protection Voltage


Ratio Discharge







Cycle Life

                          800 Cycles

3. Safety Test

Short Circuit Safety Test

No fire, No explosion

Overcharge Safety Test

Crush Safety Test

Needling Safety Test

Extrusion Safety Test

130°C High Temperature Safety Test



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Packaging & Shipping

48v 20ah battery pack.jpg48v 20ah battery pack 

Our Services

1. Customized service: OEM or ODM is warmly welcome.

2. Professional sales team: reply within 12 hours.

3. Fast deliver: For sample, we can arrange shipment within 2 days after receive your payment.

4. New product launch : We have a R & D team to research new products.

Company Information

Shenzhen Delong Energy Technology Co., Ltd., which mainly deals in all kinds of lithium batteries and mobile power, integrating R&D, production and sales. Our lithium battery products are mainly used in electronic digital equipment, electric vehicles, power tools and backup power systems, Bluetooth headsets, digital cameras, MP3, mobile phones, miner's lamps, remote control aircraft models and electric vehicles.
Delong battery has a good reputation and has become a well-known brand in the international market, which is mainly due to our battery has a long cycle life, high energy density, stable work and safety in different temperature environments. According to our conditions to increase production, our current production reaches 100K / day, we focus on quality, technology and market. Our products are certified by SGS, ROHS and CE and comply with ISO9001 system standards.
Hot sale products: 36V hailong electric bicycle battery, 48V silver fish battery for 1000W motor, 18650 lithium battery 12v 20ah pack, 12V 100AH Lifepo4 battery pack, portable 220V/110V jump starter power bank for laptop/notebook.

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Q1: Are you trading company or manufacturer ?

A1: We are factory. Welcome to visit us.

Q2: How long is your delivery time?

A2: Generally it is 10-15 days, it is according to quantity.

Q3: Do you provide samples ? 

A3: Yes, we could offer the sample.

Q4: What is your terms of payment ?

A4: For bulk order,30% T/T in advance ,balance 70% before shippment. For sample order,100% payment before production.


Q5:What kind of after sales service would you provide ?


A5:If you have any questions when using,just feel free to contact us,we have 24 hours service.



Contact us
Contact Person:Alameda Li
Shenzhen Delong Energy Technology Co.,Ltd
Skype:Alameda Li Delong
Add:Room 9098,Dongbian Business Building,Minzhi Road 369,Minzhi Street,Longhua District,ShenZhen,China

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