Panasonic CGR18650HM Specifications

18650 · NMCfull datasheet specs for the Panasonic CGR18650HM, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.

1630 mAh
Capacity
3.7 V
Nominal voltage
6.03 Wh
Energy per cell

At 1630 mAh it ranks #144 of 165 18650 cells in our database by capacity — a lower-capacity 18650 options.

Full specifications

Capacity1630 mAh
Nominal voltage3.7 V
Max charge voltage4.2 V
Discharge cutoff3 V
Energy6.03 Wh
Standard charge current1120 mA
Standard discharge current320mA
ChemistryNMC
Form factor18650
Wrap colorYellow
Insulator ringBlack

At the standard 1120 mA charge rate, a full charge takes roughly 1.5 hours plus the constant-voltage taper at the end.

The CGR18650HM 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 V94.9 Ah54 Whcell count guide
7S25.9 V29.4 V214.9 Ah127 Whcell count guide
10S37 V42 V304.9 Ah181 Whcell count guide
13S48.1 V54.6 V394.9 Ah235 Whcell count guide
14S51.8 V58.8 V424.9 Ah253 Whcell count guide

Size a full pack around the CGR18650HM — 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.