# item.guide
Side-by-Side Comparison Cylindrical Cells

18650 vs. N / LR1

Comparing 2 standards across 4 specifications. 4 key differences identified.

Comparing:
18650
N / LR1
18650 →

An 18650 Li-ion cell measures 18.6mm in diameter and 65.2mm in length. It operates at 3.6V/3.7V nominal, charges up to 4.2V max, and has a discharge cutoff of 2.5V with capacities between 2200 and 3500 mAh.

View full 18650 spec sheet →
N / LR1 →

An N battery (IEC designation LR1) is a 1.5V Alkaline cylindrical cell measuring approximately 12.0mm in diameter and 30.2mm in length -- between a AAA and a AA in size. It was historically common in pagers and remains used in some medical devices and specialty flashlights.

View full N / LR1 spec sheet →

Specification Comparison Table

4 Parameters
Parameter / Spec
18650
N / LR1
Diameter
18.60 mm 12.00 mm
Overall Length
65.20 mm 30.20 mm
Nominal Operating Voltage
3.60 / 3.70 V 1.50 V
Chemistry
— Alkaline

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