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With a nominal capacity of 4000mAh and 3.6V nominal voltage, this cell provides efficient power output and excellent thermal stability, ensuring reliable operation in both consumer and industrial environments.
Custom Lithium Battery
The EVE 21700 3.6V 40PL is a high-capacity, high-performance lithium-ion cell developed for applications that demand superior energy density, long cycle life, and stable discharge performance. With a nominal capacity of 4000mAh and 3.6V nominal voltage, this cell provides efficient power output and excellent thermal stability, ensuring reliable operation in both consumer and industrial environments.
✅ Key Features:
High Energy Capacity: 4000mAh large capacity ensures extended runtime and improved energy storage.
Stable Voltage Performance: 3.6V nominal voltage provides consistent and efficient power delivery.
Enhanced Safety: Built with advanced protection design and produced under EVE’s strict quality control standards.
Long Cycle Life: Maintains high capacity and performance over hundreds of charge/discharge cycles.
High Energy Density: Compact 21700 size with superior power-to-weight ratio.
Wide Application: Perfect for e-bikes, power tools, energy storage systems, electric motorcycles, and other high-drain devices.
The EVE 21700 3.6V 40PL lithium-ion cell is a reliable and durable energy solution, offering high output, safety, and longevity—making it an ideal choice for next-generation battery packs requiring both power and efficiency.
| Model | 21700-40PL |
| Nominal Voltage (V) | 3.6 |
| Capacity (mAh) | 4000 |
| Standard Cycle(25°C) | 400 |
| Capacity Retention | ≥60% |
| Internal Resistance (mΩ) | ≤5 |
| Weight(g) | 67Max |
| Height x Diameter (mm) | 70.15×21.15 |
| Energy Density (Wh/kg) | 215 |
| Charging Temperature (°C) | 0~45°C |
| Discharging Temperature (°C) | -20~60°C |


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