EVE C40 Lithium Battery Cell

40135-20Ah, featuring high energy density, long cycle life, and consistent quality.

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High Capacity Cylindrical Cell

EVE C40 provides 20Ah capacity in a robust cylindrical LiFePO₄ format.

Excellent Energy Density

Energy density of ~174 Wh/kg delivers efficient energy storage in a compact form.

Long Cycle Life

Up to ~4000 charge-discharge cycles for durable, long-lasting performance.

Stable & Safe Performance

LiFePO₄ chemistry ensures low internal resistance, high thermal stability, and reliable operation.

EVE C40 (40135) – Technical Specifications

ItemParameterTest / Note
Nominal Capacity20AhTypical @0.5C discharge
Nominal Voltage3.2VStandard LiFePO₄ cell voltage
Internal Resistance≤2–3mΩ (AC) / ≤6–8mΩ (DC)Fresh-cell data @25°C
Max Continuous Discharge Current≈60A (≈3C)Continuous discharge capability
Operating Temperature (Charge)0°C to +55°CStandard charge temp range
Operating Temperature (Discharge)-20°C to +60°CStandard discharge temp range
Cycle Life≥4,000 cycles @100% DoD (25°C)≥1,500 cycles @100% DoD (45°C)
Dimensions (Diameter × Height)≈40.0mm × 135.0mmTypical size for IFR40135
Weight≈450gApproximate value

Note: Data shown are derived from public supplier documentation and may vary by batch, temperature or usage. For engineering design or certification, please refer to the official EVE datasheet or contract-agreed technical documentation.

Dimensions

Available with welding or nut terminals to suit various installation needs, with an interactive 3D model view.

The label shown on the battery cell is for visual demonstration only. The actual product will usually not have this label, only the essential numbering or identification.

Welding Terminal Dimensions Nut Terminal Dimensions
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Applications

Due to its unique properties, our NMC battery cell is widely used in fields requiring high energy density and strong power output:

Product Certifications

Our products undergo strict testing and comply with multiple international standards to ensure quality and safety.

CE Certification UN38.3 Certification ISO9001 Certification RoHS Certification UL Certification

*Certification status may vary depending on region or project requirements. Relevant test reports or assistance for market-specific certification can be provided upon request.

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