Grade A New LiFePO4 Battery Cell, High Quality;
100% inspected and packed very well, 2-Year Warranty;
Brand new PLB LFR26650-40A is a rechargeable 26650 LiFePO4 cell rated at 3.2V 4000mAh. This reliable 26650 lithium battery features long cycle life over 2000 times and low internal resistance. It supports stable 3C continuous discharge and 6.25C peak discharge, delivering steady power output. Compact dimension φ26.3*65.4mm enables flexible pack assembly. With outstanding thermal stability and high safety performance, the 26650 li ion battery is widely used for energy storage, light electric vehicles, power tools and portable equipment, a cost-effective alternative to 26650 battery 5000mah options.
1. Cell Specifications
|
Battery Model
|
LFR26650-40A
|
|
Battery Type
|
Cylindrical 26650 lifepo4 battery
|
|
Nominal Voltage
|
3.2V
|
|
Nominal Capacity
|
4000mAh
|
|
Charge Voltage
|
3.65V
|
|
Discharge Cut-off Voltage
|
2.0V
|
|
Max Charge Current
|
1.3C
|
|
Max Discharge Current
|
3C
|
|
Peak Discharge Current
|
6.25C
|
|
Charge Temperature
|
0-45℃
|
|
Discharge Temperature
|
-20~60℃
|
|
Storage Temperature
|
-20~45℃
|
|
Battery Size
|
φ26.3*65.4mm
|
|
Battery Weight
|
About 90g
|
|
Warranty
|
2 Years
|
2. Why 26650 Lithium Battery?
Higher capacity & stable energy output
Compared with 18650 cells, standard 26650 cells offer larger single-cell capacity, delivering higher energy to support longer running time for devices.
Excellent heat dissipation & safety performance
The larger cylindrical diameter creates more internal space for heat transfer, effectively lowering thermal risks during high-current discharge and improving overall operational safety.
Superior mechanical structural stability
Its thick metal shell provides stronger shock and vibration resistance, making it well-suited for electric vehicles, solar storage and outdoor portable equipment.
Long service cycle life
Most 26650 LiFePO4 versions support over 3000–4000 charge-discharge cycles, greatly reducing battery replacement frequency and lowering long-term usage costs.
Flexible pack assembly & wide compatibility
Uniform standard size enables convenient series-parallel combination. It can be freely matched to build battery packs for power tools, energy storage systems and low-speed mobility devices.
What 26650 cylindrical cells can Nogibattery supply?
Nogibattery offers a complete lineup of reliable 26650 cylindrical cells to meet diverse power demands:
| 26650 Lifepo4 Battery |
| Model |
Capacity |
Voltage |
Internal
Resistance |
Max.Continuous
Charge Current |
Max.Continuous
Discharge Current |
Peak
Discharge Current |
| IFR26650-25B |
2500mAh |
3.2V |
≤6mΩ |
2C |
20C |
50C |
| IFR26650-30B |
3000mAh |
3.2V |
≤10mΩ |
3C |
10C |
20C |
| LFR26650-33A |
3300mAh |
3.2V |
≤20mΩ |
2C |
3C |
8C |
| LFR26650-36A |
3600mAh |
3.2V |
≤25mΩ |
1.5C |
3C |
8C |
| LFR26650-38A |
3800mAh |
3.2V |
≤20mΩ |
1.3C |
3C |
6.5C |
| LFR26650-40A |
4000mAh |
3.2V |
≤20mΩ |
1.3C |
3C |
6.25C |
3. Customer Review3. Customer Review
Every acknowledgment from clients fuels NOGIBattery's development. Our team stays dedicated to supplying dependable lithium cells for all partners.
4. Customer FAQ
Q: Is the 26650 LiFePO4 battery safe?
A: LiFePO4 chemistry has excellent thermal stability and low risk of thermal runaway. Meanwhile, proper BMS protection and reasonable load control are necessary to guarantee safe operation.
Q: What applications use 26650 lithium batteries?
A: 26650 lithium CELLS are widely used in electric vehicles, e-bikes, power tools, drones, robotics, portable power stations, solar energy storage, and industrial equipment.
Q: Can I connect multiple 26650 cells in series or parallel?
A: Yes. You can assemble battery packs by series and parallel connection. We strongly recommend using a matching BMS protection board to avoid overcharge, over-discharge and imbalance, extending battery service life.
Q: Do you provide battery pack customization services?
A: Yes, NOGIBattery provides customized battery pack solutions, including cell selection, pack assembly, BMS integration, and performance optimization.
Q: Do you provide DDP shipping for lithium batteries?
A: Yes, NOGIBattery provides DDP shipping solutions for lithium battery cells and packs to help customers receive products easily.
Contact us: Wechat/WhatsApp: +8613528488114 Email: sales@nogibattery.com 
