Customized 18650 48V 40Ah Lithium Battery Pack for E-bike, E-boat, Electric Scooter

2020-12-24 00:58

Working VoltageNominal48.1V
Range54.6V ~40V
Nominal Capacity40Ah
Battery Power25°C1920Wh (100% DOD @ 0.5C rate)
- 10°C1500Wh (100% DOD @ 0.5C rate)
Operation Temperature Range- 10°C --  50°C
Continuous Charge Current15A TBD
Max Charge Current25A  TBD
Continuous Discharge Current35A TBD
Max Continuous Discharge Current 30 A TBD
Peak Discharge Current 50A(last 3s) TBD
Storage Temperature Range-10~35℃
Self-discharge30 days ≤5% in 25℃
Cycle LifeMore than 1000 times(0.5C charge and discharge,Temperature:20±5℃,Higher than 80% of the Initial Capacity of the battery pack
Level of ProtectionIP65


1.Intelligent Battery Pack Design
2.Environmental Friendly Chemistry,Pollution-free;non-polluting
3.High Energy Density,High Power Density
4.No fire, No explosion, No leakage
5.Wholly closed dust-free workshops,securing high quality
6.Excellent Cycle Life,chargeable up to 500 or 1000 times


The battery pack can be used in electronic vehicles, tricycles, ebike,solar energy storage system, camper,cans, electronic  boat,marine ship etc.,

We use high quality cells, 3.7V 2000mah-3500mah 18650 cell, we will different cells for different applications.

We have been in lithium battery pack for more than 5 years and know how to provide you the right solution for you. Just let us know your detail application and request then we will choose the best solution for you.

Our Services

1. MOQ

(1) Battery sample orders for testing are welcome.

(2) MOQ is lower, please feel free contact our staff if you need.

(3) It is our honor to provide service for you, no matter how many you order.

2. OEM & ODM

OEM and ODM orders are welcome, just send us your design and we can make your ideas into reality.

3. Quality

(1)100% tested in production. Test one by one before shipping. All the products will go through 5 checks.

(2) Mass production will only start after we get your confirmation of samples.

4. Manufacture

(1) We have our own factory.

(2) All Gokey goods are manufacturing by ourselves.

(3) Provide you "customized products" along with the best price.

5. Warranty

(1) 3 months for battery charger & flashlight

(2) 6 months for battery

6. After-Sale

(1) Timely provide tracking information during the shipping.

(2) Any defectives, we provide free ones along with your next order.

(3) Provide you free new products for testing.

Related Lithium Batteries

Our Factory


Packing And Shipping

1). Best Quality 5-layers exporting carton or Customized Outer Packaging for Paper Bags;
2). Carton Size: Customized or based on actual weight and volume.
1). By Express (3-45working days),there are express shipping or economic shipping,suitable for Small Quantity.
2). By Sea (15-30 days), it suitable for regular Mass Production.

1. How about the quality&warranty time?
All brand product are 100% import. All products provided 12 months waranty.
2. What's the MOQ?
There is no MOQ for samples. For bulk order quantity, the more, the cheaper.
3. How about the lead time?
Usually, we have stable stock in wharehouse. The goods can be sent within 2-7 days.
4. How long of the shipping time?
It always need 3-10 days by express such as DHL and UPS, 15-50 days by China Post , 20-30 days by sea.
5. Can you produce the order with the customer's brand?
Yes, of course. OEM & ODM service is warmly provided.

Note: We are a battery manufacturer. All products do not support retail, we only do B2B business.please contact us for product prices!