English 
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| Quantity: | |
|---|---|
Shenzhen, China
20, 000PCS/Month
L/C, T/T, Western Union, Paypal, Money Gram
DL-4820/13S8P
20ah
48V
Electric Bicycle
Li-ion
DELONGTOP
Carton or Pallet
495*115*75mm
China
8507600090
Lithium-Ion Battery Pack
Series and Parallel
Chargeable
Medium Discharge Rate
Medium
Chargers
| Nominal voltage | 48V |
| Nominal capacity | 20Ah |
| Battery cell | 3.7V 2600mAh lithium battery cell |
| Battery configuration | 13S8P(13 series,8 parallel) |
| Standard charge current | 4A |
| Max charge current | 15A |
| Continuous discharge current | 25A |
| Peak discharge current | 50A |
| Charge voltage | 54.6V |
| Discharge cut off voltage | 35.75V |
| Case material | aluminum+ABS |
| Case dimension | 495*115*75mm |
| Net weight | 5.93KG |
| Charge plug | Cannon(XLR) |
| Discharge port | 2 pins socket |
| Available colors | black or silver |
| Warranty | one year |
| Lifecycle | 500 times |
| Charge temperature | 0~45ºC |
| Discharge temperature | -10~60ºC |
| Storage temperature | -10~45ºC |
| Battery chemistry | LiNiCoMnO2 |
| Fit motor | 750W,1000W |
| BMS protection | over-charge,over-discharge,over-current and short circuit |
Advantages:
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life,around 500 times
7) No memory effect
8) Doesn't contain Mercury, No fire, No explosion, No leaka
9) With 5V USB output which can charge for many digital products and mobile phones
10) Size and capacity can be customized 
Applications:
Packaging and shipping:
48V 20Ah eikbe battery/Carton
Gross weight:6.50KG
Net weight:4.93KG
Carton dimension:54*15*16.5CM
Shipping ways:
1. For samples,we normally ship them by UPS,Fedex or by special line(door to door service)
2. For bulk order,we usually delivery them by sea which will take 30-45 days to be arrived
Payment methods:
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
Good feedback from clients:
Our services:
1. Your inquiry related to our products rice will be replied within 12 hours.
2. Experienced staffs and engineeers teams to answer all your inquires which provide consultant service and the best battery solution.
3. We make the OEM and ODM service for more than 10 years.
4. Protection of your sales area, ideas of design and all your private information.
5. All of the ebike battery and accessories will be tested before shipment
------- After-Sales Service --------
1. 1 year warranty
2. We will replace the broken parts with new parts in the next in the next order
3. Choose the cheapest and safest shipping company
4. Track the shipping status so that customers can receive the goods timely
5. Welcome any feedback and advice for our products.
6. We will update new products to our regular customers
Various discharge connectors:
Company information:
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 
FAQ:
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 EnergyTtechnology 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.
| Nominal voltage | 48V |
| Nominal capacity | 20Ah |
| Battery cell | 3.7V 2600mAh lithium battery cell |
| Battery configuration | 13S8P(13 series,8 parallel) |
| Standard charge current | 4A |
| Max charge current | 15A |
| Continuous discharge current | 25A |
| Peak discharge current | 50A |
| Charge voltage | 54.6V |
| Discharge cut off voltage | 35.75V |
| Case material | aluminum+ABS |
| Case dimension | 495*115*75mm |
| Net weight | 5.93KG |
| Charge plug | Cannon(XLR) |
| Discharge port | 2 pins socket |
| Available colors | black or silver |
| Warranty | one year |
| Lifecycle | 500 times |
| Charge temperature | 0~45ºC |
| Discharge temperature | -10~60ºC |
| Storage temperature | -10~45ºC |
| Battery chemistry | LiNiCoMnO2 |
| Fit motor | 750W,1000W |
| BMS protection | over-charge,over-discharge,over-current and short circuit |
Advantages:
1) Environmental friendly
2) High density of energy
3) Light weight
4) Low self-discharge
5) Low internal resistance
6) Long cycle life,around 500 times
7) No memory effect
8) Doesn't contain Mercury, No fire, No explosion, No leaka
9) With 5V USB output which can charge for many digital products and mobile phones
10) Size and capacity can be customized
Applications:
Packaging and shipping:
48V 20Ah eikbe battery/Carton
Gross weight:6.50KG
Net weight:4.93KG
Carton dimension:54*15*16.5CM
Shipping ways:
1. For samples,we normally ship them by UPS,Fedex or by special line(door to door service)
2. For bulk order,we usually delivery them by sea which will take 30-45 days to be arrived
Payment methods:
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
Good feedback from clients:
Our services:
1. Your inquiry related to our products rice will be replied within 12 hours.
2. Experienced staffs and engineeers teams to answer all your inquires which provide consultant service and the best battery solution.
3. We make the OEM and ODM service for more than 10 years.
4. Protection of your sales area, ideas of design and all your private information.
5. All of the ebike battery and accessories will be tested before shipment
------- After-Sales Service --------
1. 1 year warranty
2. We will replace the broken parts with new parts in the next in the next order
3. Choose the cheapest and safest shipping company
4. Track the shipping status so that customers can receive the goods timely
5. Welcome any feedback and advice for our products.
6. We will update new products to our regular customers
Various discharge connectors:
Company information:
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
FAQ:
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 EnergyTtechnology 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.
