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Home » Products » E-bike Battery » 48V E-bike Battery
  • 48 volt 20ah battery assist bike electric scooter kit motorcycle trickle and electric fat bike kit
  • 48 volt 20ah battery assist bike electric scooter kit motorcycle trickle and electric fat bike kit
  • 48 volt 20ah battery assist bike electric scooter kit motorcycle trickle and electric fat bike kit
  • 48 volt 20ah battery assist bike electric scooter kit motorcycle trickle and electric fat bike kit

48 volt 20ah battery assist bike electric scooter kit motorcycle trickle and electric fat bike kit

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Product Description

Place of Origin:

Guangdong, China

Brand Name:


Model Number:





Minimum Order Quantity:



Different with quantity

Packaging Details:

Separate Standard export carton with full sponge

Delivery Time:

5-15 working days

Payment Terms:

TT, Western Union, Paypal

Supply Ability:

10000 Set/Sets per Month

Quick Detail:
Type: Rechargeable 18650 Li-ion
Nominal Voltage: 48v
Nominal Capacity: 20Ah
Capacity: Customized
Warranty: 12 Months
Cycle life: 800-1000times
Weight: Approx 9kg
Standard charge: 54.6V 2A
Maximum operating current: 15A (can customize)
Motor power: 500W, 600W, 800Wmax
Features: Good consistency, low self discharge
other: ODM|OEM Welcomed


The dimensions of this Black Down tube E-bike battery is 360*170*100mm (thickness*width*length), and it could be 48v 13ah, 15.6ah, 17ah, 20ah and 21ah etc, it could also be 36v and 24V if you need.

We use brand new 18650 battery Samsung, LG, Panasonic and Chinese cell with the following specification:

Nominal voltage: 48V Capacity: 20Ah Continuous charge current: 15A Max Discharge current (continuous): 50A ( 10 seconds) Min cycle life: 800 times Built-in BMS board protection for charging upper limit, cut-off discharge, over current, short circuit, temperature, balance.(Double BMS is available )


1.This product contains lithium battery, please stay away from fire source, if not use, please do special treatment, and do not throw away anywhere .
2.Do not use this product under the humid environment or in water ! Please pay attention to the moisture-proof and use it under the ventilated and dry environment.
3.Please gently get and put when use! Do not drop, knock or violent disassemble !
4. If there is any abnormal phenomena such as smoke or fire when using, in order to avoid the explosion , please stop to use it immediately and take relevant measures to put out the fire .
5. Please start this product first and then turn on the corresponding switch if you want to use it, and confirm the LED indicator light is on and the output is running.
6.For the first time to use, please refer to the use specification.
7.When this product is idle, please charge it every three months so as to ensure the battery’s lifetime.


Key Application:

1.Light:headlamp , emergency light , LED light , high-end flashlight , solar flashlight , high power flashlight , searchlight , bicycle light.
2.Power tools:mower , electric drill .
3.Electric transportation vehicles:electric bike , electric car , e-scooter , electric motor , electric bike . 
4.Home appliances products:electric children toys , electric mop , medical devices . 
5.Outdoor sports:camping light , mountain bike light , solar emergency light , self-defense flashlight . 
6.UPS, GPS and etc.


We used EXPRESS(see below), please contact us if you have special requirements. 
1. Ship by EXPRESS door to door. 
2. Ship to your airport. 
3. Ship to your sea port. Take the most cost-effective way based on your quantity .


ITEM Specifications
Nominal Capacity 20000mAh
Rated voltage 48V
Energy density (Wh/kg) 100
Internal Resistance ≤130mΩ
Charge (CC-CV)                            Charged with constant current to42v and then charged with constant voltage to 3A
Charge (float) ≤54.6V
Max. charging current 3C(36A)
Standard. charging voltage 54.6±0.5V
Recommended charging current 0.2C, 6A ×5hours
Max. continuous discharging current

3C (36A)

Max.pulse discharging current(30seconds) 5C(60A)
Recommended discharging current
Max. End-off discharged voltage 39V
Self discharge rate (monthly) 2-3%
Dimension 360*170*100mm
Weight (Approx.) 9KG
Working temperature


Storage temperature -20~35℃

Q1. Can I have a sample order for electric bike battery?
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: Low MOQ, 1pc 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 proceed an order?
Firstly,let us know your requirements or application. Secondly,we quote according to your requirements or our professional suggestions. Thirdly,customer confirms the samples and places formal order. Fourthly,we arrange the production and test strictly before shipping. Fifthly,ship the goods to customer as we agreed.
Q6. 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.


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