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12V LiFePO4 40ah Battery

  • Shenzhen, China
  • 5, 000PCS/Week
  • L/C, T/T, Western Union, Paypal, Money Gram
  • DL-1240/4S1P
  • 40ah
  • 12.8V
  • Remote Control Boat, Solar Storage,Electric Boat
  • Lithium Iron Phosphate
  • 3.2V 40ah Prismatic LiFePO4 Cell
  • Long Lifecyce
  • 2 Years
  • 14.6V
  • Built-in BMS
  • ABS+PC
  • Ce,MSDS,Un38.3
  • 40A
  • 20A
  • Direct Factory Price
  • Carton
  • 192*167*168mm
  • China
  • 8507600090
  • LiFePO4 Battery
  • Series and Parallel
  • Chargeable
  • Medium Discharge Rate
  • Medium
  • Chargers
12v LifePO 40Ah battery
Model DL-1240/4S1P
Battery cell 3.2V 40Ah prismatic LifePO4 cell
Nominal voltage 12.8V
Nominal capacity 40Ah
Battery configuration 4S1P(4 series,1 parallel)
Case dimension 192*167*168mm(L*W*H)
Internal resistance ≤220mΩ
End of charge voltage 14.6V
End of charge current 100mA
End of discharge voltage 10V
Charge method CC/CV
Standard charge current 8A
Max charge current 20A
Standard discharge current 20A
Continuous discharge current 40A
Max pulse discharge current 60A/10S
Net weight 5.1KG
Charge temperature 0~45ºC
Discharge temperature -10~55ºC
Storage temperature -10~45ºC
Warranty 2 years
Lifecycle 2000 times 85% DOD
BMS protection over-charge,over-discharge,over-current,short circuit and balance function
Terminal M8 bolts

Advantages of 12.8V 40Ah LifePO4 battery:

1. Green energy,Non-toxic, non-polluting, wide range of raw materials, cheap
2. Long life cycle, 2000 times at 80% DOD.
3. It without heavy metals and environment friendly.
4. Maintenance free
5. Internal BMS with full protection,battery has high voltage protection with higher reliability.
6. No memory effect
7. High temperature performance is good
8. Capacity of single battery cell is big
9. High safety,no explosion,no fire
10. Low self-discharge rate,≤3%/month
12V LiFePO4 40ah Battery
12V LiFePO4 40ah Battery

12V LiFePO4 40ah Battery

Main applications:
1. Light: headlamp, emergency light, sloar flashlight, searchlight, lanten,bicycle light, LED light, military 
flashlight, high-end flashlight, high power flashlight, bright flashlight.
2. Outdoor sports products: camping light, mountain bike light, solor emergency light, self-defense flashlight,
3. Customer electronics: MPS, Tablet PC. laptop, Bluetooth earphone, power bank, portable DVD player, 
speaker, microphone, sound equipment, audio, Digital camera, vidicon, GPS.
4. Home appliances products: electric mop, electric vacuum cleaner, electric children toys, electric shoes, 
electric blanket.
5. Medical devices
6. Instruments and meters: water meter, gas meter.
7. Electric transportation vehicles: electric bike, electric car, e-scooter, electric motor, electric trolley, electric cart.
8. Power tools: electric drill, mower
9. UPS, backup energy

10. Solar and wind energy storage,camping car and electric boat
12V LiFePO4 40ah Battery

Packaging and shipping:

12.8V 40Ah LifePO4 battery*3/Carton
Gross weight:16KG
Net weight:15.3KG
Carton dimension:53*23*29cm
12V LiFePO4 40ah Battery
12V LiFePO4 40ah Battery

Shipping ways:

1. For samples,we normally ship them by Fedex,UPS or by special line(door to door service)

2. For bulk order,we usually delivery them by sea which will take 30-40 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 feedbacks from clients:
12V LiFePO4 40ah Battery

12V LiFePO4 40ah Battery

12V LiFePO4 40ah Battery

Our services:

1. Our professional engineer team can provide you one stop battery solution

2. All of our 12V 40Ah LifePO4 battery and accessories will be inspected before shipment

3. Fast leadtime:7-10 days for samples;25-30 days for bulk order

4. We can print your own logo or make customized label on product

5. We offer 2 years warranty and continuous technical support

6. We can help you to track the shipping status so that you can receive the goods timely

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 

12V LiFePO4 40ah Battery
12V LiFePO4 40ah Battery
12V LiFePO4 40ah Battery


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 7-10 days.and buyer pay for sample cost and shipping cost.

Q2: Do you provide after-sales serive?
A2: Yes,the warranty is 2 years, 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 and LifePO4 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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Shenzhen Delong Energy Technology Co.,Ltd is one of leading lithium ion battery manufacturer in China 




   9098,Dongbian Business Building,Minzhi Road 369, Longhua District, Shenzhen,P.R.C.

   Tel : +86 755 21012989
   Phone:+86 13538138168
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