9V Battery Equivalent
9V
Direct replacements
PP3, 6LR61, MN1604, 6AM6, and 6F22 are all the same 9V battery with different manufacturer codes.
Voltage
9V
Chemistry
Alkaline
Dimensions
48.5mm × 26.5mm × 17.5mm
Common uses
smoke alarms, guitar pedals, multimeters, stud finders, wireless microphones
All 9V equivalents
| Battery code | Compatible? |
|---|---|
| PP3 | Yes — direct replacement |
| 6LR61 | Yes — direct replacement |
| MN1604 | Yes — direct replacement |
| 6AM6 | Yes — direct replacement |
| 6F22 | Yes — direct replacement |
| E-Block | Yes — direct replacement |
Silver oxide vs alkaline
9V batteries come in alkaline, lithium, and rechargeable NiMH versions. Lithium 9V batteries last longer and are recommended for smoke alarms.
Important: All standard 9V batteries are interchangeable regardless of brand code. For smoke alarms, use lithium 9V for longest life.
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