LR44 Battery Size and Voltage
LR44 (A76) = 11.6 mm diameter x 5.4 mm height, 1.5 V alkaline button cell. SR44 equivalent is 1.55 V silver oxide.
Open the interactive Standards & Sizes tool →Key facts
| Diameter x height | 11.6 x 5.4 mm |
|---|---|
| Voltage | 1.5 V (alkaline) |
| Silver-oxide eq. | SR44 = 1.55 V |
| Capacity | ≈ 110 mAh |
| Typical use | Calculators, toys, laser pointers |
Frequently asked questions
What size is an LR44 battery?
LR44 is 11.6 mm in diameter and 5.4 mm tall, a 1.5 V alkaline button cell.
Is LR44 the same as SR44?
Same size, but LR44 is 1.5 V alkaline while SR44 is 1.55 V silver oxide (longer-lasting).
Related pages
LR44 Battery Size is part of Standards & Sizes on GOAT Lab — a free reference you can use without signing up, and it works offline. Open the tool above for any custom value.
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