Panasonic NCR18650BD Specifications

18650 · NMCfull datasheet specs for the Panasonic NCR18650BD, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.

3100 mAh
Capacity
3.6 V
Nominal voltage
11.16 Wh
Energy per cell
35
Internal resistance

At 3100 mAh it ranks #14 of 165 18650 cells in our database by capacity — one of the higher-capacity 18650 options.

Full specifications

Capacity3100 mAh
Nominal voltage3.6 V
Max charge voltage4.2 V
Discharge cutoff2.5 V
Energy11.16 Wh
Internal resistance35 mΩ
Standard charge current900 mA
Standard discharge current610mA
ChemistryNMC
Form factor18650
Wrap colorGrey
Insulator ringWhite

At the standard 900 mA charge rate, a full charge takes roughly 3.4 hours plus the constant-voltage taper at the end.

The NCR18650BD in a battery pack

Common DIY series configurations using this cell's real 3.6V nominal voltage, with a 3-cells-in-parallel (3P) example for capacity:

ConfigNominal voltageFully chargedCells (3P)Capacity (3P)Energy (3P)
3S10.8 V12.6 V99.3 Ah100 Whcell count guide
7S25.2 V29.4 V219.3 Ah234 Whcell count guide
10S36 V42 V309.3 Ah335 Whcell count guide
13S46.8 V54.6 V399.3 Ah435 Whcell count guide
14S50.4 V58.8 V429.3 Ah469 Whcell count guide

Size a full pack around the NCR18650BD — voltage, capacity, runtime, and BMS:

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

Get new tools and build tips

We are always adding tools, cell data, and guides. Drop your email for new tool releases and battery-building tips. No spam, unsubscribe anytime.

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.