Panasonic CGR18650EA Specifications

18650 · NMCfull datasheet specs for the Panasonic CGR18650EA, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.

2550 mAh
Capacity
3.7 V
Nominal voltage
9.44 Wh
Energy per cell

At 2550 mAh it ranks #59 of 165 18650 cells in our database by capacity — a mid-capacity 18650 options.

Full specifications

Capacity2550 mAh
Nominal voltage3.7 V
Max charge voltage4.2 V
Discharge cutoff3 V
Energy9.44 Wh
Standard charge current1750 mA
Standard discharge current490mA
ChemistryNMC
Form factor18650
Wrap colorGreen (Light)
Insulator ringWhite

At the standard 1750 mA charge rate, a full charge takes roughly 1.5 hours plus the constant-voltage taper at the end.

The CGR18650EA 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 V97.6 Ah85 Whcell count guide
7S25.9 V29.4 V217.6 Ah198 Whcell count guide
10S37 V42 V307.6 Ah283 Whcell count guide
13S48.1 V54.6 V397.6 Ah368 Whcell count guide
14S51.8 V58.8 V427.6 Ah396 Whcell count guide

Size a full pack around the CGR18650EA — 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.