Samsung ICR18650-26J Specifications

18650 · NMCfull datasheet specs for the Samsung ICR18650-26J, plus what it delivers in common DIY pack configurations. Plan a build with it in the Battery Pack Calculator.

2600 mAh
Capacity
3.63 V
Nominal voltage
9.44 Wh
Energy per cell
100
Internal resistance

At 2600 mAh it ranks #39 of 165 18650 cells in our database by capacity — a mid-capacity 18650 options.

Full specifications

Capacity2600 mAh
Nominal voltage3.63 V
Max charge voltage4.2 V
Discharge cutoff2.8 V
Energy9.44 Wh
Internal resistance100 mΩ
Standard charge current1300 mA
Standard discharge current520mA
ChemistryNMC
Form factor18650
Wrap colorPink
Insulator ringWhite

At the standard 1300 mA charge rate, a full charge takes roughly 2 hours plus the constant-voltage taper at the end.

The ICR18650-26J in a battery pack

Common DIY series configurations using this cell's real 3.63V nominal voltage, with a 3-cells-in-parallel (3P) example for capacity:

ConfigNominal voltageFully chargedCells (3P)Capacity (3P)Energy (3P)
3S10.9 V12.6 V97.8 Ah85 Whcell count guide
7S25.4 V29.4 V217.8 Ah198 Whcell count guide
10S36.3 V42 V307.8 Ah283 Whcell count guide
13S47.2 V54.6 V397.8 Ah368 Whcell count guide
14S50.8 V58.8 V427.8 Ah396 Whcell count guide

Size a full pack around the ICR18650-26J — 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.