Cham CMICR18650F Specifications
18650 · NMC — full datasheet specs for the Cham CMICR18650F, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.
At 2600 mAh it ranks #39 of 169 18650 cells in our database by capacity — a mid-capacity 18650 options.
Full specifications
| Capacity | 2600 mAh |
|---|---|
| Nominal voltage | 3.7 V |
| Max charge voltage | 4.2 V |
| Discharge cutoff | 2.5 V |
| Energy | 9.62 Wh |
| Internal resistance | 60 mΩ |
| Standard charge current | 1300 mA |
| Standard discharge current | 2600mA |
| Energy density | 562.69 Wh/L |
| Chemistry | NMC |
| Form factor | 18650 |
| Dimensions | 18.3mm × 65mm |
| Charge temp | 0°C to 45°C |
| Discharge temp | -20°C to 60°C |
| Wrap color | Blue |
| Insulator ring | Grey |
At the standard 1300 mA charge rate, a full charge takes roughly 2 hours plus the constant-voltage taper at the end.
The CMICR18650F in a battery pack
Common DIY series configurations using this cell's real 3.7V nominal voltage, with a 3-cells-in-parallel (3P) example for capacity:
| Config | Nominal voltage | Fully charged | Cells (3P) | Capacity (3P) | Energy (3P) | |
|---|---|---|---|---|---|---|
| 3S | 11.1 V | 12.6 V | 9 | 7.8 Ah | 87 Wh | cell count guide |
| 7S | 25.9 V | 29.4 V | 21 | 7.8 Ah | 202 Wh | cell count guide |
| 10S | 37 V | 42 V | 30 | 7.8 Ah | 289 Wh | cell count guide |
| 13S | 48.1 V | 54.6 V | 39 | 7.8 Ah | 375 Wh | cell count guide |
| 14S | 51.8 V | 58.8 V | 42 | 7.8 Ah | 404 Wh | cell count guide |
Size a full pack around the CMICR18650F — voltage, capacity, runtime, and BMS:
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Specs come from manufacturer datasheets and independent testing; Mooch-tested discharge ratings are shown when available because they reflect real continuous performance better than headline datasheet numbers. Browse the full 18650 & 21700 cell database to compare every cell.
Disclaimer: We do our best to keep the information on this page accurate, but we cannot guarantee that all specifications are correct or up to date. Cell characteristics can vary between production batches and may change over time. Do not rely solely on this data for safety-critical applications — always verify against the manufacturer's official datasheet before use.