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| LR44 | SR44 | |
|---|---|---|
| Size | About as wide as a shirt button | About as wide as a shirt button Same |
| Thickness | As thick as 7 credit cards stacked | As thick as 7 credit cards stacked Same |
| Power | 1.5 volts | 1.55 volts |
| Kind | Button battery | Watch battery |
Lasts longer: SR44 (about 7% longer)
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Yes. Same size, and both fit. SR44 lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR44 is the cheaper everyday option.
Yes. Same size, and both fit. SR44 lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR44 is the cheaper everyday option.
SR44 (about 7% longer).
| LR44 | SR44 | |
|---|---|---|
| Diameter | 11.6 mm | 11.6 mm |
| Height | 5.4 mm | 5.4 mm |
| Nominal voltage | 1.5V | 1.55V |
| Typical capacity | 150 mAh | 160 mAh |
| Chemistry | Alkaline | Silver oxide |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |