Shenzhen Jianheng Technology Co., Ltd.
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The 21700-5000mAh lithium-ion rechargeable cell is a high-capacity cylindrical battery designed for applications requiring reliable power delivery across a wide temperature range. With a nominal voltage of 3.6V and robust low-temperature performance, this cell is suitable for use in demanding environments.
| Parameter | Specification |
|---|---|
| Nominal Capacity | 5000mAh |
| Minimum Capacity | 4950mAh |
| Energy Density | 253Wh/kg |
| Nominal Voltage | 3.6V |
| Internal Resistance | ≤25mΩ (AC Impedance, 1000 Hz) |
| Charge Cut-off Voltage | 4.20V |
| Discharge Cut-off Voltage | 2.50V |
| Standard Charge Current | 0.5C (2500mA) |
| Standard Discharge Current | 1C (5000mA) |
| Operating Temperature (Charge) | 0°C to 45°C |
| Operating Temperature (Discharge) | -40°C to 60°C |
| Dimensions (Diameter × Height) | 21.65±0.2mm × 70.95±0.2mm |
| Weight | ≤73g |
| Rate | Current | Discharge Efficiency |
|---|---|---|
| 0.2C | 1000mA | 100% |
| 0.5C | 2500mA | ≥95% |
| 1C | 5000mA | ≥93% |
| 2C | 10000mA | ≥90% |
| Temperature | Discharge Current | Cut-off Voltage | Efficiency |
|---|---|---|---|
| -20°C | 1C (5000mA) | 2.0V | ≥80% |
| -30°C | 0.5C (2500mA) | 2.0V | ≥75% |
| -40°C | 0.2C (1000mA) | 2.0V | ≥60% |