Product Advantages
Structural and Design Merits of the 21700 LiFePO4 Cell
The 21700 lifepo4 cell is architected with precision to optimize energy density and mechanical robustness within the cylindrical 21700 form factor, facilitating modular battery pack construction. Its compact size and consistent dimension control allow easy integration into standardized assemblies. Manufactured by a dedicated 21700 lifepo4 cell manufacturer adhering to ISO9001 and ISO14001 standards, the design supports efficient thermal management owing to the LiFePO4 chemistry’s inherent stability. This structural integrity enhances system reliability, reduces thermal runaway risks, and improves maintenance profiles across varied industrial scenarios.
Performance and Operational Benefits of the 3.2V Lifepo4 Cell
With a nominal capacity of 3200mAh and superior cycle life, this 3.2V lifepo4 cell delivers sustained high discharge currents, making it suitable for power-intensive applications requiring reliability over thousands of cycles. Its ease of use in battery assembly and compatibility with CC/CV charging protocols improve operational efficiency for product engineers. The product’s certifications from multiple safety regulatory bodies underline its readiness for deployment in quality-sensitive sectors. It notably reduces downtime and maintenance expenditures while sustaining operational continuity, providing end users and system integrators with confidence in long-term performance.

| Item | Specifications | Remark |
| Model No. | 21700 | |
| Nominal Voltage | 3.2V | |
| Nominal Capacity | 3200mAh | @0.2C discharge |
| Dimensions | 21.6(±0.25)*71(±0.2)mm max | Diameter*Height |
| Cycle Life | ≥6000 times | ≥ 80% of the initial capacity |
| Charge Method | CC/CV | lithium battery dedicated charger |
| Charge Cut-off Voltage | 3.6V | |
| Discharge Cut-off Voltage | 2.0V | |
| Standard Charge Current | 1600mA | |
| Standard Discharge Current | 1600mA | |
| Max Continuous Charge Current | 3200mA | |
| Max Continuous Discharge Current | 9.6A | |
| Peak Discharge Current | 16A | |
| Recommended Operation Ambient Temperature | Charge: 0~50℃, Discharge: -20~60℃ | |
| Storage Temperature | -20℃~25℃ | 12 months |
| -20℃~35℃ | 3 months | |
| -20℃~45 ℃ | 1 month | |
| Internal Resistance | ≤22mΩ | |
| Weight | Approx. 72g |



Use Scenarios
Energy Storage in Electric Scooters and E-Bikes
Electric scooters and e-bikes operate under dynamic conditions with fluctuating load demands and extended runtime requirements. In this context, the 21700 lifepo4 battery acts as the primary energy source, delivering stable and consistent power with a high cycle life that supports frequent charge-discharge cycles. Its wide operating temperature range and safety certifications ensure reliable performance in urban and semi-outdoor environments. Integrators leverage this 21700 rechargeable lifepo4 cell for modular battery pack development, enabling efficient replacement and maintenance workflows while meeting regulatory compliance standards applicable to mobility solutions.
Integration in Solar Street Lighting Systems
The solar street lighting sector demands energy storage solutions that exhibit high safety margins, zero maintenance, and long operational life. The 3.2V lifepo4 cell provides a dimensionally standardized solution for energy storage modules in photovoltaic lighting. Its chemistry ensures thermal and chemical stability amidst variable environmental exposures, while its certifications guarantee compliance with international safety and environmental regulations. Solar lighting engineers incorporate these cells within their power management systems to optimize load handling and ensure uninterrupted illumination, contributing to sustainable urban infrastructure with minimized lifecycle costs.
What makes your 3.2V 3200mAh 21700 LiFePO4 Cell suitable for industrial applications?
Our 21700 lifepo4 cell manufacturer expertise ensures this battery offers a long cycle life of ≥6000 cycles with stable capacity retention and superior thermal stability. It supports high discharge rates and wide operating temperatures, ideal for demanding industrial uses such as e-bikes and portable power stations.
Do you provide customization options for the 21700 rechargeable LiFePO4 cell?
Yes, we offer tailored solutions to meet specific engineering requirements. As a leading lifepo4 battery cell supplier, we work closely with clients to modify capacity, packaging, and protection features while maintaining strict quality and safety standards.
How should I maintain the 3.2V LiFePO4 cell for optimal performance?
Our 3.2V lifepo4 cell requires zero maintenance due to its stable LiFePO4 chemistry. For longevity, we recommend using a dedicated CC/CV charger, avoiding extreme temperatures, and storing the cells within recommended temperature ranges to ensure safety and sustained cycle life.
What certifications ensure the safety and quality of your 21700 lifepo4 battery?
We have obtained CE, RoHS, UN38.3, and IEC62133 certifications for our 21700 lifepo4 battery cells, confirming compliance with international safety and environmental regulations. This guarantees reliable performance and safety across various industrial applications.