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| LR43 | SR43 | |
|---|---|---|
| Size | About as wide as a shirt button | About as wide as a shirt button Same |
| Thickness | As thick as 6 credit cards stacked | As thick as 6 credit cards stacked Same |
| Power | 1.5 volts | 1.55 volts |
| Kind | Button battery | Watch battery |
Lasts longer: SR43 (about 20% longer)
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Yes. Same size, and both fit. SR43 lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR43 is the cheaper everyday option.
Yes. Same size, and both fit. SR43 lasts longer and gives steadier power, which matters for cameras, measuring tools and watches. LR43 is the cheaper everyday option.
SR43 (about 20% longer).
| LR43 | SR43 | |
|---|---|---|
| Diameter | 11.6 mm | 11.6 mm |
| Height | 4.2 mm | 4.2 mm |
| Nominal voltage | 1.5V | 1.55V |
| Typical capacity | 100 mAh | 120 mAh |
| Chemistry | Alkaline | Silver oxide |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |