The EVE M21-V1.1 is a 3.62V 58Ah rechargeable prismatic lithium-ion cell developed for high-power battery systems. It combines at least 210Wh of 1C discharge energy with low resistance, temperature-dependent high-current capability and verified cycle performance. The cell is intended for professionally engineered modules and battery packs incorporating suitable monitoring, protection, compression, thermal management and mechanical restraint.
01 Verified 58Ah Capacity
The cell provides a minimum 58.0Ah capacity and 210Wh energy when discharged at 1C from 4.25V to 2.8V at 25±2°C. At the lower 1/3C test rate, the manufacturer specifies at least 59.0Ah and 217.7Wh, giving pack designers clearly defined performance values for different discharge-rate conditions.
02 Compact Prismatic Construction
With a cell weight of 860±15g and an approximately 148.66 × 26.72 × 95.21mm envelope, the M21-V1.1 supports space-efficient module layouts. Thickness is specified at approximately 30% SOC under 300kgf pressure, so module spacing, compression plates and dimensional tolerances should be designed around the manufacturer’s measurement conditions.
03 High-Power Discharge Capability
At 25°C and 50% SOC, the discharge operating-limit table specifies 230A continuous current and up to 336A for 150 seconds. These limits change substantially with temperature, so they must be treated as BMS design boundaries rather than universal ratings. The pack controller should apply the complete temperature- and SOC-based current derating strategy.
04 Controlled CC-CV Charging
The standard charging method uses 58.0A constant current followed by constant-voltage charging at 4.25V, with a 2.9A termination current at 25±2°C. At 25°C and 50% SOC, the operating-limit table permits 132A continuous charging and 210A for up to 30 seconds, subject to correct voltage, temperature and BMS control.
05 Low Resistance and Cold-Weather Data
The specified AC resistance is 0.59±0.10mΩ at 1kHz and 30% SOC, while measured DCR is limited to 1.3mΩ at 25°C, 50% SOC and a 2C ten-second test. The datasheet also provides temperature-specific voltage limits and capacity-retention data down to -30°C for accurate low-temperature pack calibration.
06 3,000-Cycle Test Performance
EVE specifies at least 70% capacity retention after 3,000 cycles at 25±2°C. This result is based on 0.5C charging and 0.5C discharging between 3.25V and 4.17V, with defined rest periods and cell compression. Actual service life depends on depth of discharge, temperature, current, SOC window and module mechanical design.
Custom battery pack applications: The EVE M21-V1.1 is suitable for professionally engineered EV, performance mobility, commercial-vehicle, AGV, robotic and high-power energy-storage battery systems. MisenBattery supplies matched cells and supports custom module and pack integration, including BMS configuration, fusing, voltage and temperature sensing, insulation, cell spacing, mechanical compression, thermal management and validated interconnect processes. Direct welding to the cell is prohibited; only manufacturer-approved terminal and busbar connection methods should be used. Supporting CE, UN38.3, RoHS and UL documentation can be provided where applicable to the selected product, pack configuration and shipment.
