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| BR1220 | BR1225 | |
|---|---|---|
| Size | About as wide as a shirt button | About as wide as a shirt button Same |
| Thickness | As thick as 3 credit cards stacked | As thick as 3 credit cards stacked |
| Power | 3 volts | 3 volts Same |
| Kind | Coin battery | Coin battery |
Lasts longer: BR1225 (about 37% longer)
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No. They’re the same width and power, but BR1220 is thinner. It may wobble a little and runs out about 27% sooner. BR1225 is too thick to fit where BR1220 goes.
In a pinch. They’re the same width and power, but BR1220 is thinner. It may wobble a little and runs out about 27% sooner. BR1225 is too thick to fit where BR1220 goes.
BR1225 (about 37% longer).
| BR1220 | BR1225 | |
|---|---|---|
| Diameter | 12.5 mm | 12.5 mm |
| Height | 2.0 mm | 2.5 mm |
| Nominal voltage | 3.0V | 3.0V |
| Typical capacity | 35 mAh | 48 mAh |
| Chemistry | Lithium carbon monofluoride | Lithium carbon monofluoride |
| Shelf life | 10 yrs | 10 yrs |
| Operating temp | -30 to 85 °C | -30 to 85 °C |