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Quick Details

  • Place of Origin: Guangdong, China (Mainland)
  • Brand Name: EASTAR
  • Model Number: EA4820
  • Type: Li-Ion
  • Nominal Voltage: 48V, 48V
  • Size: customized, 396*120*68mm
  • Nominal Capacity: 20Ah
  • Capacity: 20AH
  • Cycle life: 1000 Cycles
  • Warranty: 2 Years
  • Battery type: Li-ion
  • Applition: ebike/scooter/ etc
  • BMS: max 30A discharge
  • Certification: CE/ROSH//MSDS/UN38.3
  • OEM: Accept

Packaging & Delivery

Packaging Details Regular export package foam+wareproof plastic bag+Hardpaper carton+plywood box
Delivery Time 15-20 days

Ebike battery 48v 20ah battery lithium battery pack for electric bike 

Product Description




Battery Type:18650
Nominal Capacity:20Ah
Nominal Voltage: 48V 
Max Charging Voltage: 3.6 ±0.05 V
Discharge ending voltage: 2.0±0.05 V
Standard charge current: 0.2C
Maximum Charge current 3C
Standard Discharge current: 0.2C
Max discharge current: 0.5C
Max recommended charge and discharge cell surface temperature: Charge: 0~45℃   
 Discharge: -20~60℃ 
Storage temperature and time:

 1 year:-20~25

 3 months:-20~45
 1 month:-20~60

Cell dimension:

 Height : 50.5mm    Diameter: 18.5mm             

Cycle Life: >1000times


Battery pictures 









1. Forbid to immerse battery in water or allow it to get wet!

2.Don't charge, use and store battery near a heat source such as fire and heater! If the battery

leaks or releases strange odor, pls remove it from place near fire place immediately. Fully

charge the battery before first-time using.

3. Forbid to reverse the positive and negative pole!

4. Forbid to disassemble the battery and battery pack in any way!

5. Forbid to put the battery into microwave oven or pressure vessel!



Lifepo4 battery is a new kind of Li-ion battery with the characters of safety, environment-friendly, powerful and very long cycle life. Which is the first choice of using in electric vehicles, electric power tools, home appliance, UPS system and so on.




  Battery cells production



All kinds Fairs









Company Information
A professional battery manufacturer

Shenzhen Eastar Battery Co., Ltd was set up as a manufacturer of various batteries in 1997. Our main products include dry batteries

( carbon & alkaline), lead-acid batteries(General batteries, Auto batteries), Ni-MH/Ni-CD batteries and packs, Lithium batteries ( Li-ion, Li-PO).

With six manufacturing facilities of around 200,000 square meters and a team of highly qualified staff, Eastar grew up as a professional battery group in Southern China.

Quality is our life

As a battery manufacturing group, we have separate factory located in Guangzhou, Shenzhen, and Xingfeng for different battery types.

We understand well on the importance of the quality, so we invested much on the advanced production facilities and testing equipment.

We have a powerful R&D and skillful worker group. Based on ISO9001, we built up a complete quality control system. We always keep

ourselves working ahead on technology and quality control in battery field.

It contributed us to supply with good quality products to our customers always. With a large capacity, we export more than 50

containers battery monthly to countries all over the world.

The best services to you

We built up our sales team with 20 saleswomen/ salesmen in downtown Shenzhen. Our team is an experienced sales team, Our motto is:

 EVERY TIME THE BEST SERVICES TO EVERY CUSTOMER. We are good at both ODM orders and OEM projects.

If you are in battery business, come to us, I believe you will find that you are working with the right partner: Shenzhen Eastar Battery Co., Ltd.

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China (Mainland)
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The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $174,000
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