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15ah 20ah 36v 48v lithium ion electric bike battery pack for ebike
| Nominal voltage | 48V |
| Charge voltage | 54.6V |
| Nominal capacity | 15Ah |
| Battery cell | China domestic 3.7V 2500mAh battery cell |
| Battery configation | 13S6P |
| Standard charge current | 3A |
| Continuous discharge current | 20A |
| Momentary discharge current | 50A |
| Internal resistance | ≤220mΩ |
| End of charge current | 200mA |
| End of discharge voltage | 35.75V |
| Charge method | CC/CV |
| Net weight | 4.5KG |
| Case material | ABS |
| Case color | green |
| Case dimension | 142*72*252mm(L*W*H) |
| Lifecycle | 500 times |
| Warranty | 1 year |
| BMS protection | over-charge,over-discharge,over-current,short circuit |
| Charge temperature | 0~45℃ |
| Discharge temperature | -10~55℃ |
| Storage temperature | -10~45℃ |
Main applications:
1. Light: headlamp, emergency light, sloar flashlight, searchlight, lanten,bicycle light, LED light, military flashlight, high-end flashlight, high power flashlight, brightflashlight.
2. Outdoor sports products: camping light, mountain bike light, emergency light, self-defense flashlight,
3. Customer electronics: MPS, Tablet PC. laptop,earphone, power bank, portable DVD player, speaker, microphone, sound equipments, audio, Digital camera.
4. Home appliances products: electric mop, electric vacuum cleaner, electric children toys, electric shoes, electric blanket.Medical devices
5. Instruments and meters: water meter, gas meter.
6. Electric transportation vehicles: electric bike, electric car, e-scooter, electric motor
7. Power tools: electric drill, mower
8. UPS, GPS and etc.
Advantages of 48V 15Ah lithium battery pack:
1. Long lifecycle
2. No memoery effect
3. Low self-discharge rate
4. New energy,environment friendly
5. High density of energy
6. Low internal resistance
7. Donsn't contain mercury,no fire,no explosion,no leakage
8. Wide operating temperature:-10-55℃




Standard export carton or customized package
Shipping ways:
1.For samples,we normally delivery them by UPS or special line(door to door service)
2.For bulk order,we usually ship them by sea which will take 30-45 days


1. All of your inquiry or email will be replied within 12 hours
2. Our professional engineer teams can provide you one stop battery solution
3. All of the battery pack will be tested before shipment
4. If any quality problem,we will take quick action and give you the solution within 24 hours
5. We provide one year warranty and give you continuous technical support
6. We can help you to track the shipping status so that you can receive the goods timely
Optional connectors:

Good feedback from customers:

1.Payment: 30% before mass production;70% balance will be paid before shipment or after bill of copy
2.FOB , EXW and CIF all are available
3.Samples can accept Paypal
4.If you place the Trade Assurance order on Alibaba,we also can accept credit card(VISA,Master Card),e-checking
Shenzhen Delong Energy Technology Co.,Ltd is one of leading lithium ion battery manufacturer in China , our management teams have been in lithium ion battery field for more than 10 years,we have own factory and testing room and sales center.Our factory is located in Dongguan city,Guangdong Province which is occupied with more than 5,000 square meters,we have strong R&D department,more than 200 well trained workers who can ensure to make high quality and more stable products. Dongguan Delong is a CE,ROHS,IEC62133,ISO9001:2015 certificated high-tech factory.We specialized in developing,manufacturing new energy customized products which cover 18650 lithium ion battery pack, lithium polymer battery pack,AC output power banks and LifePO4 battery pack.Our products are widely applied on digital products,consumer products,LED lights,medical devices,solar systems ,energy storage system and electric vehicles.
Our Advantages:
1.Full capacity battery, 100% quality testing
2.Built-in BMS , safe and reliable
3.With Protection of short circuit ,over current, over charge and discharge and temperature protection function
4.Long cycle life and high energy density
5.Factory direct price and fast leadtime
6.Size and capacity can be customized
7.Small MOQ
8.Nice quality
9.Excellent after sales service
10.Provide continuous technical support



Q1:Can I have samples to test? And what is lead time for sample order?
A1:Yes,we can supply samples,the leadtime for samples is 3-5 days.and buyer pay for sample cost and shipping cost.
Q2: Do you provide after-sales serive?
A2: Yes,the warranty is 12 months, if any quality problems on our side in this period, we can send new one as replacement.
Q3 What is your company's advantage?
A3: We only supply high level quality of lithium battery and we gurantee on-time shipment,we also provide excellent after sales service
Q4: Do you accept OEM/ODM?
A4: Yes,it is avaliable.
Q5: What is your lead time for the mass production?
A5: General speaking, about 25-30 days depending on different items after getting down payment and confirmation about the samples.
Q6:Are you battery real capacity?
A6:All of our battery cells with Grade A,100% new and real capacity.
Q7:Are you a factory or a trading company?
A7:Shenzhen Delong Energy Technology Co.,Ltd. is a professional rechargeable lithium-ion battery manufacturer,welcome to visit.
Q8: What kind of certificates do you have?
A8: We can provide CE,ROHS,FCC,IEC62133,MSDS,UN38.3 if your order quantity is big.
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