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| SR44 | LR1120 | |
|---|---|---|
| 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 3 credit cards stacked |
| Power | 1.55 volts | 1.5 volts |
| Kind | Watch battery | Button battery |
Lasts longer: SR44 (about 290% longer)
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In a pinch. They’re the same width and power, but LR1120 is thinner. It may wobble a little and runs out about 74% sooner. SR44 is too thick to fit where LR1120 goes.
No. They’re the same width and power, but LR1120 is thinner. It may wobble a little and runs out about 74% sooner. SR44 is too thick to fit where LR1120 goes.
SR44 (about 290% longer).
| SR44 | LR1120 | |
|---|---|---|
| Diameter | 11.6 mm | 11.6 mm |
| Height | 5.4 mm | 2.1 mm |
| Nominal voltage | 1.55V | 1.5V |
| Typical capacity | 160 mAh | 41 mAh |
| Chemistry | Silver oxide | Alkaline |
| Shelf life | 5 yrs | 5 yrs |
| Operating temp | -10 to 60 °C | -10 to 60 °C |