What is a AAA battery equivalent to?

The AAA is interchangeable with: LR03, MN2400, AM4, R03, 24A. These share the same size and voltage.

What voltage is a AAA battery?

A AAA is 1.5V, measuring 10.5 × 44.5 mm.

Remotes, computer mice, small flashlights, thermostats.

AAA

1.5V · 10.5 × 44.5 mm · Alkaline

The AAA is the slim cousin of the AA, for lower-drain or compact devices.

Battery type	AAA
Voltage	1.5V
Size	10.5 × 44.5 mm
Chemistry	Alkaline
Equivalents	LR03, MN2400, AM4, R03, 24A
Common uses	Remotes, computer mice, small flashlights, thermostats.

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💡 AA and AAA are not interchangeable without an adapter sleeve — different diameter and length.

What is a AAA battery equivalent to?: The AAA is interchangeable with: LR03, MN2400, AM4, R03, 24A. These share the same size and voltage.
What voltage is a AAA battery?: A AAA is 1.5V, measuring 10.5 × 44.5 mm.
What is a AAA battery used for?: Remotes, computer mice, small flashlights, thermostats.