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Unlocking Power: EVE’s Versatile 21700 40P Lithium-Ion Cells

The EVE 21700 40P lithium-ion battery cells offer a nominal capacity of 4000mAh and a nominal voltage of 3.6V, making them a compelling choice for a wide range of applications. Whether powering electric vehicles, portable electronics, or other energy-intensive devices, these cells deliver reliable and consistent performance to meet the demands of modern technology.

Efficient Charging and Discharging

The 21700 cylindrical cells are designed with a well-optimized charging and discharging profile. The standard charge cycle utilizes a constant current, constant voltage (CCCV) method, with a charging current of 2.0A and a cutoff voltage of 4.20±0.05V and a cutoff current of 100mA. For rapid charging, the cells can handle up to 6.0A using the same CCCV method. During discharge, the cells can safely operate down to 2.50V, ensuring efficient power delivery.

Durable and Reliable Performance

With a cycle life of 300 cycles, the 21700 40P cells from EVE are engineered to deliver reliable and long-lasting performance. The charge and discharge voltage range of 4.2V to 2.5V further contributes to the cells’ durability, allowing users to extract the maximum capacity while maintaining the cells’ integrity over time.

Compact and Versatile Design

Measuring 70.15±0.15mm in height and 21.15±0.10mm in diameter, the 21700 40P cells offer a compact and space-efficient design. This form factor makes them well-suited for integration into a wide range of applications, from electric vehicles to portable electronics, where size and weight considerations are crucial.


As indicated by the data source, these 21700 40P cells were developed and tested in EVE’s own laboratories, leveraging the company’s extensive experience in the battery industry. This commitment to quality and innovation ensures that users can trust the performance and reliability of these cells, making them a preferred choice for a variety of energy storage needs.

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