What is a 9V battery equivalent to?

The 9V is interchangeable with: 6LR61, MN1604, 6F22, PP3, 1604. These share the same size and voltage.

What voltage is a 9V battery?

A 9V is 9V, measuring 48.5 × 26.5 × 17.5 mm.

Smoke detectors, multimeters, guitar pedals, wireless mics.

9V · 48.5 × 26.5 × 17.5 mm · Alkaline

The rectangular 9V (PP3) is the standard for smoke alarms and test gear.

Battery type	9V
Voltage	9V
Size	48.5 × 26.5 × 17.5 mm
Chemistry	Alkaline
Equivalents	6LR61, MN1604, 6F22, PP3, 1604
Common uses	Smoke detectors, multimeters, guitar pedals, wireless mics.

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💡 Keep the terminals from touching keys or coins in a pocket — a shorted 9V can get hot.

What is a 9V battery equivalent to?: The 9V is interchangeable with: 6LR61, MN1604, 6F22, PP3, 1604. These share the same size and voltage.
What voltage is a 9V battery?: A 9V is 9V, measuring 48.5 × 26.5 × 17.5 mm.
What is a 9V battery used for?: Smoke detectors, multimeters, guitar pedals, wireless mics.