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DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack

  • Shenzhen, China
  • 10, 000packs/Week
  • L/C, T/T, Paypal, Money Gram
  • DL-1278/3S3P
  • 7800mAh
  • 12V
  • Medical Equipment,LED Lighting
  • Li-ion
  • 3s3p
  • 11.1V
  • 12.6V
  • 18650 Lithium Ion Battery Cell
  • 480g
  • Safety
  • Direct Factory Price
  • Blue
  • Factory
  • DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Bat
  • Standard Export Carton
  • 71*59*80mm
  • China
  • 8507600090
  • Lithium-Ion Battery Pack
  • Series and Parallel
  • Chargeable
  • Medium Discharge Rate
  • Medium
  • Chargers
diy rechargeable 12v 7800mAh 18650 lithium ion battery pack

Product specification:
Model DL-1278/3S3P
Nominal voltage 11.1V
Charge voltage 12.6V 
Nominal capacity 7800mAh
Battery type 18650 lithium ion battery cell
Battery configation 3S3P
Battery pack dimension 71*59*80mm
Net weight 480g
Standard charge current 0.2C 1560mA
Max charge current 1C 7800mA
Standard discharge current 0.5C 3900mA
Max discharge current 1C 7800mA
Charge method CC/CV(constant current/constant voltage)
Lifecycle 500 times
Warranty 1 year
High safety over-charge,over-discharge,over-current,short circuit protection
Charge temperature 0 °C to 45 °C
Discharge temperature -10 °C to 60°C


  • High energy density.
  • High security and stability.
  • With the protection function of overcharge, discharge, over current, short circuit, temperature, etc.
  • Built-in  PCM protection system, with multiple protection function
  • OEM/ODM service is acceptable
  • With on/off switch and 4 LED power indicators


  • cordless monitoring device.
  • medical apparatus equipment.
  • instrument
  • medical equipment.
  • traffic signs,led lighting.
  • portable small home appliance
  • LED lights,electronic products
  • electric tools,toys.,etc.
DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack

DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack
DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack

Packaging and shipping:


each battery pack put into small box and then put in outer carton;if by UPS,then each carton can't exceed 10KGS,if by special line,then each carton is between 20-25KGS

Shipping ways:

for samples,we normally ship them by UPS(will take 4-5 business days to be arrived) or by special line(will take 10-15 days to be arrived);for mass production,we normally ship them by air(will take 5-7 days) or by sea(will tkae 30-45 days)
DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack

Our services:

1. All of your inquiry or emails will be replied within 24 hours

2. We can give you support on technique

3. We have own R&D department

4. We can accept OEM and ODM service,we can produce the battery pack according to your requirements

5. We can help you to track the goods status until well received them

6. We can provide you with excellent after sales service,if there are defective items,then we can send new one for you

Company information:
Shenzhen DeLong Energy Technology Co., Ltd. is a professional new energy supplier in China focusing on the manufacture, research and sale of lithium ion battery product worldwide. Our  lithium ion battery products are widely applied on digital device, electric vehicle, electric tool and back-up power system, bluetooth headset, digital camera, MP3 player, cellular phone, PDA, DMB, digital camcorder, mining lamp, RC model airplane, electric vehicle, etc.

We have passed the ISO9001 certificate,we also can supply you many kinds of certifications like CE,ROHS,FCC,IEC62133,MSDS,UN38.3.We have exported the batteries to many countries like North America,European countires,Southeast Asia and so on.We have built good and long-term business relationship with many customers because of high quality,reasonable price and good after sales service.
DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack
DIY Rechargeable 12V 7800mAh 18650 Lithium Ion Battery Pack

 1.Q:Are you trading company or factory?

    A:We are professional lithium ion battery manufacturer in China,we sincerely invite you to visit.


2.Q:Are you battery pack real capacity?

    A:Yes,all of our battery pack with Grade A battery cell and full capacity.


3.Q:What kind of certications can you provide?

   A:Most of battery packs are customized,we don't have aviable certifications,but we can apply them for you,the certifications cost will be paid by customer if the order quantity is not big;if the order quantity is big,then we will pay the certification cost


4.Q:What is your leadtime?

    A:3-5 days for samples;25-30 days for mass production after payment or deposit.


5.Q:Are your battery packs safe?

    A:We built in BMS which can prvent the over-charge,over-discharge,over-current and short circuit.


6.Q:Can you provide the charger?

    A:We don't produce the charger,but we have some partnered charger suppliers,if you need charger as well,please let us know when you send the inquiry.

Contact Now      Contact us for product related information.

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
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