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| Parameter | Details |
|---|---|
| Model | INR18650-26E |
| Battery Type | Lithium-Ion (INR Chemistry) |
| Cell Format | 18650 Cylindrical |
| Nominal Voltage | 3.7V / 3.65V |
| Charging Voltage | 4.2V |
| Nominal Capacity | 2600mAh |
| Minimum Capacity | 2500mAh |
| Standard Charge Current | 0.5C |
| Maximum Charge Current | 1C (2.6A) |
| Maximum Continuous Discharge | 3C (6.2A) |
| Peak Discharge Current | Up to 15A–20A (datasheet conditions) |
| Discharge Cutoff Voltage | 2.5V–2.75V |
| Internal Resistance | <25 mΩ |
| Cycle Life | >1000 cycles (80% DOD) |
| Diameter | ~18 mm |
| Length | ~65 mm |
| Weight | ~45–47 g |
| Battery Shape | Cylindrical |
| Color | Pink |
| Operating Temperature (Charge) | 0°C to 50°C |
| Operating Temperature (Discharge) | −20°C to 60°C |
