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48V 31.5ah rear rack e bike battery 18650 Brand cell with BMS LED light

  • 1-9 Pieces
  • 10-499 Pieces
  • >=500 Pieces
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Shipping fee:
Depends on the order quantity.
Lead Time:
8 day(s) after payment received
Graphic customization (Min. Order: 20 Pieces)
Customized packaging (Min. Order: 20 Pieces)


Customized logo (Min. Order: 20 Pieces) Less
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Quick Details
21 - 30Ah
Product name:
48V 31.5ah rear rack e bike battery 18650 Brand cell with BMS
Black Silver
Battery Type:
18650 brand cell Lithium Ion Battery pack
Cycle Life:
800 times
Nominal Capacity (Ah):
Nominal Voltage (V):
Electric Motorbike Scooters Tricycles Motorcycles E bike.
Around 7.5 kg
Buit in BMS
Lithium Battery

Packaging & Delivery

Selling Units:
Single item
Single package size: 
43X28X21 cm
Single gross weight:
8.000 kg
Package Type:
Package of 48V electric bicycle battery Inner packing with EPE pearl cotton, outer packing with thick cardboard cartons or customerized packing
Picture Example:
Lead Time :
Quantity(Pieces) 1 - 1 2 - 10 11 - 50 >50
Est. Time(days) 8 10 12 To be negotiated

48V 31.5ah rear rack e bike battery 18650 Brand cell with BMS LED light

Product Description

Item name

48V 31.5ah rear rack e bike battery 18650 Brand cell with BMS LED light

Battery style

18650 battery cells


425*150*82mm (thickness*width*length)

Typical voltage


Full voltage


Discharge cut-off voltage




AC input

100-240V 50/60HZ

DC output

54.6V 4A

Charging time

Around 5-7 hours

Expecting driving distance

more than 50KM( 350w Motor)

Charging temperature

0-45 degree

Discharging temperature

-20-60 degree



Usage range


Pictures of 48V 31.5Ah electric bicycle battery



Advantages of 48V electric bicycle battery


1)Cycle life :more than 500times cycle life 

2)Application :electric vhicle,like electric bike,scooter,etc

3) Powerful energy :as the high voltage and light weight ,Motors acceleration speed  performance are very good

4) Energy density per volume are higher

5) Stable BMS system with short-circuit protection ,over-charge protection ,over-discharge protection and over-current protection fuctions .

6) It can run well under different  temperature environment condition

7)No memory effects.


Company Information

Shenzhen DeLong Energy Technology Co., Ltd. is a professional new energy supplier.

Focusing on the manufacture, research and sale of lithium ion battery product worldwide.

DeLong battery won a good reputation and has become a popularbrand in the international market.

Welcome to visit our company and factory to discuss the business cooperation.

Our Services

1. Respond in 24 hours for any inquiry and consultation on our EV battery product .

2. Take actions quickly for normal client's claim within 24 hours 
3. Good after sales service : we offer one and half year quality warranty to our client ,we will take responsibility if there is any quality
4. One by one tested before shippment.
Packaging & Shipping

 Use hard carton with EPEM multi-layer foam layer to protect the goods.




 1.  Q: Can you accept OEM and ODM Service?

      A: Yes, we supply OEM&ODM service as clients requirement.

 2.  Q: Can we get samples for test?

     A: Yes, we offer sample.

 3. Q: Whats your payment term?

     A: T/T, Moneygram,West Union, Paypal etc.

 4. Q: What's your warranty for products?

     A: Generally speaking, it's one year's warranty, for quality problems, we will send you a new one.

 5. Q: How long will be the delivery?

     A: Usually delivery in 5-10 days, but could be changed according to the quantity or other things.

 6. Q: How do you control your product quality.

     A:  All batteries tested twice during the whole production.