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| Parameter | Specification | Parameter | Specification |
|---|---|---|---|
| Model | INR21700-RH60 | Manufacturer | Misen |
| Cell Chemistry | Rechargeable lithium-ion | Cell Format | 21700 cylindrical cell |
| Nominal Voltage | 3.60V | Calculated Energy | Approx. 21.06Wh, based on minimum capacity |
| Minimum Capacity | 5850mAh | Capacity Test | 1.2A discharge to 2.5V at 25±3°C after standard charge |
| Standard Charge | 3A CC-CV to 4.20V; 100mA cut-off | Rate Charge | 6A CC-CV to 4.20V; 100mA cut-off |
| Maximum Continuous Charge | 6A | End-of-Charge Voltage | 4.20V |
| Standard Discharge | 1.2A | Discharge Cut-Off Voltage | 2.50V under standard conditions |
| Maximum Continuous Discharge | 30A with 80°C temperature cut-off | AC Internal Resistance | ≤7mΩ at 1kHz |
| Dimensions with Sleeve | Max. diameter 21.6mm; max. height 70.9mm | Weight | ≤71.0g |
| Ambient Operating Temperature | Charge: -10°C to 45°C; discharge: -40°C to 60°C | Cell-Surface Temperature | Charge: -10°C to 60°C; discharge: -40°C to 80°C |
| Cycle Performance | ≥80% retention after 300 cycles at 6A charge / 20A discharge | Shipping Voltage | 3.48V to 3.55V |
| Storage Temperature | 1 year: -20°C to 25°C; 3 months: -20°C to 45°C; 1 month: -20°C to 60°C | High-Rate Capacity | ≥90% relative capacity at 20A under specified test conditions |
The INR21700-RH60 is a rechargeable 21700 lithium-ion cell combining a minimum capacity of 5850mAh with up to 30A continuous discharge. Its high-capacity, high-current and low-temperature characteristics support engineered battery packs for power tools, robotics, mobility equipment, portable power and industrial systems. Safe integration requires controlled charging, temperature monitoring and comprehensive pack-level protection.
The manufacturer specifies a minimum discharge capacity of 5850mAh when the cell is charged at 3A to 4.20V and discharged at 1.2A to 2.5V at 25±3°C. With a nominal voltage of 3.60V, this corresponds to approximately 21.06Wh calculated from the minimum-capacity value.
The sleeved cell measures no more than 21.6mm in diameter and 70.9mm in height, with a maximum weight of 71.0g. This cylindrical format offers a practical balance between capacity and installation volume for custom modules, while pack structures must accommodate manufacturing tolerances and dimensional changes throughout service life.
The INR21700-RH60 supports a maximum continuous discharge current of 30A when an 80°C temperature cut-off is implemented. Under the manufacturer’s rate-capacity test, the cell retains at least 90% relative capacity at 20A. Pack design must manage temperature rise, conductor resistance and current sharing between parallel cells.
Standard charging uses a 3A constant-current stage followed by constant-voltage charging at 4.20V until current falls to 100mA. The specified rate charge and maximum continuous charge current are 6A. Charging below -10°C is prohibited, and long-term continuous float charging should be avoided.
The specified ambient discharge range extends from -40°C to 60°C. In the documented 1.2A temperature test, relative capacity exceeds 65% at -40°C and reaches at least 80% at -20°C. These results use reduced low-temperature cut-off voltages and must be applied only with suitable voltage and thermal controls.
At 25±3°C, the cell is specified to retain at least 80% capacity after 300 cycles using 6A CC-CV charging and a documented high-rate discharge profile. Mechanical and safety tests are described according to UN38.3, IEC62133 and UL1642 methods, but these test references should not be interpreted as unidentified product certifications.
Custom battery pack applications: MisenBattery supplies Reliance INR21700-RH60 cells and supports custom pack integration for power tools, robotics, mobility equipment, portable power products and industrial systems. Each pack requires an application-specific BMS, fuse protection, welded interconnects, cell-voltage and temperature sensing, terminal insulation, secure cell spacing, and suitable thermal and mechanical design. This is a bare rechargeable cell, not a protected consumer battery. Supporting CE, UN38.3, RoHS and UL documentation can be provided where applicable to the selected product, configuration and shipment.
