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| SR731SW | LR726 | |
|---|---|---|
| Size | About as wide as a pea | About as wide as a pea Same |
| Thickness | As thick as 4 credit cards stacked | As thick as 3 credit cards stacked |
| Power | 1.55 volts | 1.5 volts |
| Kind | Watch battery | Button battery |
Lasts longer: SR731SW (about 42% longer)
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In a pinch. They’re the same width and power, but LR726 is thinner. It may wobble a little and runs out about 30% sooner. SR731SW is too thick to fit where LR726 goes.
No. They’re the same width and power, but LR726 is thinner. It may wobble a little and runs out about 30% sooner. SR731SW is too thick to fit where LR726 goes.
SR731SW (about 42% longer).
| SR731SW | LR726 | |
|---|---|---|
| Diameter | 7.9 mm | 7.9 mm |
| Height | 3.1 mm | 2.6 mm |
| Nominal voltage | 1.55V | 1.5V |
| Typical capacity | 37 mAh | 26 mAh |
| Chemistry | Silver oxide | Alkaline |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |