Cham CMICR18650F8 Specifications

18650 · NMCfull datasheet specs for the Cham CMICR18650F8, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.

2000 mAh
Capacity
3.7 V
Nominal voltage
7.4 Wh
Energy per cell
60
Internal resistance

At 2000 mAh it ranks #127 of 169 18650 cells in our database by capacity — a lower-capacity 18650 options.

Full specifications

Capacity2000 mAh
Nominal voltage3.7 V
Max charge voltage4.2 V
Discharge cutoff2.5 V
Energy7.4 Wh
Internal resistance60 mΩ
Standard charge current500 mA
Standard discharge current500mA
Specific energy164.44 Wh/kg
Energy density432.84 Wh/L
ChemistryNMC
Form factor18650
Dimensions18.3mm × 65mm
Weight45 g
Top typeFlat Top
Charge temp0°C to 45°C
Discharge temp-20°C to 60°C
Wrap colorGrey
Insulator ringWhite
Weight45 g

At the standard 500 mA charge rate, a full charge takes roughly 4 hours plus the constant-voltage taper at the end.

The CMICR18650F8 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:

ConfigNominal voltageFully chargedCells (3P)Capacity (3P)Energy (3P)
3S11.1 V12.6 V96 Ah67 Whcell count guide
7S25.9 V29.4 V216 Ah155 Whcell count guide
10S37 V42 V306 Ah222 Whcell count guide
13S48.1 V54.6 V396 Ah289 Whcell count guide
14S51.8 V58.8 V426 Ah311 Whcell count guide

Size a full pack around the CMICR18650F8 — voltage, capacity, runtime, and BMS:

Open the Battery Pack Calculator →or balance tested cells in the Pack Builder

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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.