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| CR927 | LR921 | |
|---|---|---|
| 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 | 3 volts | 1.5 volts |
| Kind | Coin battery | Button battery |
Lasts longer: Same
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No. They give different amounts of power (3 volts vs 1.5 volts). The wrong one can damage your device or simply won’t work.
No. They give different amounts of power (3 volts vs 1.5 volts). The wrong one can damage your device or simply won’t work.
They last about the same.
| CR927 | LR921 | |
|---|---|---|
| Diameter | 9.5 mm | 9.5 mm |
| Height | 2.7 mm | 2.1 mm |
| Nominal voltage | 3.0V | 1.5V |
| Typical capacity | 30 mAh | 30 mAh |
| Chemistry | Lithium manganese dioxide | Alkaline |
| Shelf life | 10 yrs | 5 yrs |
| Operating temp | -30 to 60 °C | -10 to 60 °C |