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Lifepo4 Battery Cell 26650 3.2V 4000mAH rechargeable batteries

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  • BPS-LFP26650


  • 003240

Rechargeable Lithium ion Battery 3.2V 4000mAH Cylindrical Lifepo4 cell  AA

Model No.: BPS-LFP26650

LiFePO4 (Lithium Iron Phosphate) batteries are a type of rechargeable battery that has the advantage of high energy density, long cycle life, and safety features.


  1. Long cycle life: 4000 times   Charge and discharge at 1C, 80% DOD  

                             7000 times   Charge and discharge at 1C, 50% DOD

2. High safety: No fire and explosion in overcharge test;

3. High Energy Density:  4000mAH single cell weight 88g, size:26*65mm (Diameter*Height)

4. Good charging and discharging performance;

5. All raw material of the batteries are environmental-friendly;

6. Wide working temperature range: From -10℃ to 60℃, extremely cold and hot weather will not affect its performance.

7.Produced with automatic equipments.



Condition/ Note



2.1 Nominal Capacity

1C   discharge capacity



2.2 AC Impedance

At   AC 1000 Hz


≤40 mΩ

2.3 Nominal Voltage


3.2 V


2.4 Cell Size

Cell Diameter

26.2±0.1 mm

Max. 26.5 mm

For details,   please prefer to Figure 1.

Cell Height

65.2±0.3 mm

Max. 65.7mm

2.5 Cell Weight

Cell net weight


88± 5 g

2.6 End-of-charge Voltage

CC Mode


3.65 V

2.7 End-of-charge Current

CV Mode


0.3 A


2.8 Charging Method

Standard Charging


1 C at CC/CV


60 min

Max Continuous Charging


6 C at CC/CV


10 min

2.9 End-of-discharge Voltage

CC Mode


2.0 V

2.10 Max continuous Discharging Current



2.11 Max Pulse Discharging Current





2.12 Cycle Life


1 C/ 100 % DOD


≥4000 cycles


2.13 Operating Temperature Range

Charging Temperature


0~60 °C

Discharging Temperature


-20~ 60°C

Storage Temperature

1 year


-20~ 45°C

2.14 Appearance

Without   break, scratch, distortion, contamination, leakage and so on

Discharge curves:

20210928221926_48669 (1)


20210928222041_63759 (1)



Applications of Benergy 26650 Cylindrical Lifepo4 Battery:


Here are some common uses for 26650 cylindrical cells:

  1. Electric Vehicles: Lifepo4 26650 cylindrical cells can be used to power electric vehicles, such as electric cars, motorcycles, and scooters. 

  2. Solar Energy Storage: Lifepo4 26650 cylindrical cells can be used in solar energy storage systems.

  3. Power Tools: Lifepo4 26650 cylindrical cells are commonly used in power tools, such as drills and saws, due to their high power output and long battery life. They provide longer run times and faster charging than traditional Ni-Cd batteries.

  4. Flashlights: Lifepo4 26650 cylindrical cells are a popular choice for high-powered flashlights.

  5. Medical Devices: Some medical devices, such as portable oxygen concentrators.

  6. Robotics: Lifepo4 26650 cylindrical cells are a popular choice for powering robots and other automated systems.

Application 94455

Why choose Benergy Lifepo4? 



Safety is the most important for battery using.




Registed our own Brand: BENERGY in European Union and HK.
Welcome OEM, ODM.


* Professional Lithium Iron Phosphate Cell Maker since 2009 when Lifepo4 cell technology is still quite new.

* All cells are Level A  100% New Lifepo4 Cells
* 3.2V single lifepo4 cells , available both Aluminum Shell and Plastic Shell Prismatic Cells.
* With bar code/ QR code, can trace every cell information for the whole production process.
* Strict testing during every production step. Final testing before shipping.
Provide testing data of each cell before shipping.
* Can arrange the shipping for customers.
* Can customize the battery pack 
Production machine and production line


Don't miss out on the latest products and services - contact us now!

Benergy Tech Co. Ltd is a battery manufacturer which specializes in producing advanced Lithium Iron Phosphate (Lifepo4) batteries and Lifepo4 battery packs since 2009.




No. 1912 Huaxin Business Building Dabei Rd Shiqiao Street Panyu Guangzhou China

   Phone: +86-18078821674

   Tel: +86-20 3156 1867
   Skype: simpleleu
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