+86 755 21012989 

Home / POWER BATTERY / E Bike Battery / 48V E Bike Battery / Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820
Share to:

Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820

  • Shenzhen, China
  • 1000PCS/Week
  • T/T, Paypal, Money Gram, Trade Assurance Order
  • 48-20
  • 20ah
  • 48V
  • for Electric Vehicle, Scooters, Ebikes, Bicycles
  • Li-ion
  • MSDS/Ce/RoHS/Un38.3
  • Lithium Electric Ebike Bicycle Battery 48V 20ah
  • Silver or Black
  • 2p Discharging Port
  • X.L.R Charging Pot on Top
  • 495*110*76.6 mm
  • Lithium Ion 18650 Cells China Cell 2500mAh
  • 13s8p 104 PCS China Cells or OEM Cells Brand LG-Et
  • Silver Fish Ebike Battery Dl-Sf4820
  • Dl-Sf4820
  • OEM LOGO OR Neutreal package
  • Standard Export Package
  • 495*110*76.6mm
  • China
  • 8507600090
  • Lithium-Ion Battery Pack
  • Series and Parallel
  • Chargeable
  • High Discharge Rate
  • Medium
  • Battery
Lithium electric ebike bicycle battery 48v 20ah 

Battery Model

48v 20ah ebike bicycle battery DL-SF4820

Nominal Capacity (AH)


Nominal Voltage (V)


Source Resistance (mΩ)

about 40

Cell Specification

3.7V 2.5AH

Cell Combination

10S 8P

Cell Size


Cell Quantity (parallel*series)


Discharge Cutoff Voltage (V)


Charge Cutoff Voltage (V)


Rated Discharge Current (A)


Instantaneous Maximum Discharge Current (A)


Maximum Continuous Discharge Current (A)


Maximum Continuous Charge Current (A)


Charge Mode


Standard Charge Current (A)


Charge Time under Standard Charge Current


Fast Charge Current (A)


Charge Time under Fast Charge Current


Charge Temperature Range

-20 - 60 °C

Discharge Temperature Range

-20 - 60 °C

Battery Size
Length: 495mm  Diameter:110mm
Battery Net Weight


Battery Gross Weight



10Ah, 12Ah, 16Ah, 20Ah, 24V, 36V, 48V are available  Customizes shapes, capacity, and voltage are accepted 

Product Pictures

Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820
Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820
Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820

Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820
Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820

Product Features

1. High operation voltage.

2. High energy density.

3. Long cycle life, more than 500 charge/discharge cycles ( 800% capacity remained ).

4. Minimal self-discharge, less than 10% monthly.

5. Wide temperature range, operation from :-20°C~+60°C

6. Be charged & discharged at anytime because of non-memory.

7. Environmentally compatible.

8. High level of safety, vision Lithium ion batteries catch no fire and cause no explosion in breaking

experiment, with acupuncture, smash, drop, and so on.


Packaging Details;  standard export package
Delivery Time;7-15 days

Company Information

Lithium Electric Ebike Bicycle Battery 48V 20ah Dl-Sf4820


Q1. Can I have a sample order ?

A: Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.

Q2. What about the lead time?

A: Sample needs 15 days, mass production time needs 20-30 days for order quantity.

Q3. Do you have any MOQ limit for sample order?

A: MOQ, 1-10pcs for sample checking is available

Q4. How do you ship the goods and how long does it take to arrive?

A: EXPRESS,Airline and sea shipping also optional. It usually takes 3-7 days/ 20-35 days to arrive.

Q5. How to take care of this battery?

Do not connect the positive and negative terminal directly.

Do not expose the battery under high temperature condition.

Do not disassemble the battery pack without technician's guide.

Keep the battery away from water,salt,acidic.etc.

Keep the battery clean and dry.

Use the compatible charger to charge it.

Charge the battery one time at least per two months.

Q6: Do you offer guarantee for the products?

A: Yes, we offer 12-month warranty to our products.

You are always welcome to visit our factory and cooperate with us! 

You are very welcome to contact us if you have any questions.


Subsribe Now     Get Daily Update Into Your Mail For join Now

Shenzhen Delong Energy Technology Co.,Ltd is one of leading lithium ion battery manufacturer in China 




   9098,Dongbian Business Building,Minzhi Road 369, Longhua District, Shenzhen,P.R.C.

   Tel : +86 755 21012989
   Phone:+86 13538138168
   Email:​​​​​​​

© Copyrights 2020 Shenzhen Delong Energy Technology All rights reserved   Sitemap  Supported By Leadong