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512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack

  • Shenzhen, China
  • 1000/Wk
  • T/T, Western Union, Paypal
  • DL-1240
  • 40ah
  • 12V
  • Remote Control Boat, Remote Control Car, Solar Storage
  • Li-ion
  • RoHS, Ce, FCC,etc
  • 1.5
  • 3 Years
  • 2000times
  • BMS Inside
  • UPS,Back-up Power,Solar Street Light
  • 3.2V 32650 LiFePO4 Cell
  • ABS
  • Accepatable
  • DelongTop
  • Standard Export Package
  • customized
  • Guangdong, China
  • 8507600090
  • LiFePO4 Lithium Ion Battery
  • Series and Parallel
  • Chargeable
  • High Discharge Rate
  • Medium
  • Battery

512 Watts 12V 40Ah EV LiFePO4 Lithium Battery Pack

* OEM& ODM is Welcome
* Longer life - over 2000times of cycles

* Much faster charging times, charging to 99% in 2.5 hours versus up 13 hours for lead acid batteries. 
* Can accept very high charge rates (100A)
* Less than half the weight of similar-capacity lead-acid batteries 
* No maintenance required
* No battery memory 
* Almost no temperature derating effects 
* 95% energy efficient

Battery Type:  LiFePO4 LFP lithium Battery pack
Voltage:  12V, 24V, 36V, 48V 
Capacity: 7ah 8ah 10Ah 12ah 15ah, 17.5ah 20ah 30ah 40ah 50ah 75ah 100ah 120ah 150ah 200ah 


1.Lighter weight, smaller size 
2.High temperature performance
3.Extremely safe, no explosion, no fire under collision
4.Strong over-discharge resistance and charge retention
5.Strong charging acceptance and quick-charging capability 
6.Maintenance-free and no acid or water for maintenance in usage
7.Large capability and long life for all high power output applications
8.Environmentally friendly non-toxic, non-contaminating, no rare metal.
9.Low self-discharge and good discharge performance at low temperature 
10.Excellent large current discharge performance especially in startup and climbing

Model DL-1240/4S1P
Nominal voltage 12.8V
Charge voltage 14.6V
Nominal capacity 40Ah
Battery cell 3.2V 40Ah prismatic LifePO4 cell
Case dimension 195*132*170mm(L*W*H)
Case material plastic
Internal resistance ≤220mΩ
End of charge current 100mA
End of discharge voltage 9.2V
Charge method CC/CV(constant current,constant voltage)
Standard charge current 8A
Max continuous charge current 20A
Standard discharge current 20A
Max continuous discharge current 40A
Max pulse discharge current 80A(10 second)
Net weight 4.5KG
Charge temperature 0~45ºC
Discharge temperature -10~55ºC
Storage temperature -10~45ºC
Warranty 2 years
Lifecycle 2000 times
BMS protection over-charge,over-discharge,over-current,short circuit

Product Show:

512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack

512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack

512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack
512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack


Military power
Wind & Solar energy storage 
Communication power
Transmission and distribution backup
UPS power supply
Electric Golf Car

Electric forklifts and so on

512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack

1.Do not throw battery into water or make it wet;
2.Keep the battery away from heat source(like fire or heater);
3.Do not throw the battery into fire or heat the battery;
4.Forbid to hammer to trample the battery;
5.Forbid disassembling the battery in anyway

Packing and shipping:

Packaging: International standard packaging or as customers required
Shipping: a.Sample order:3-10 days by plane 
                  b.Bulk order:15-30 days by sea
Payment: We accept T/T , Paypal, so on. 
          512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack

Our services:

1. Best Quality and Best Service for any orders. No matter big or small orders.

2. Prompt delivery time and can provide the customized battery solution for you

3. We can help you to track the shipping status until you well received them

4. One by one test before shipment to ensure high quality 

5. If you don't have own forwarder agent,we can help you to find agent who can provide the most competitive and best service

6. All of your inquiry or questions will be replied within 24 hours


We want you to be fully satisfied with every item that you purchase from Delong Energy . Furthermore, we also provide 1year warranty for batteries and if any quality problems, not caused by improper use or man-made,Delong Energy will replace one by one.

Company information:
Our company was founded in 2006, is a clean energy company focused on the development,
manufacturing and marketing of lithium-ion (Li-Ion) include 18650 lithium ion battery,lithium polymer battery,lifepo4 battery and electric vehicle battery.
We can provide you with CE,ROHS,FCC,IEC62133,MSDS and UN38.3 certificates and test reports.
We can ship the batteries by air or by sea.Welcome to join us!

512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack

512 Watts 12V 40ah EV LiFePO4 Lithium Battery Pack


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