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| CR1620 | 6620 | |
|---|---|---|
| Size | A little smaller than a dime | A little smaller than a dime Same |
| Thickness | As thick as 3 credit cards stacked | As thick as 3 credit cards stacked Same |
| Power | 3 volts | 3 volts Same |
| Kind | Coin battery | Coin battery |
Lasts longer: Same
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Yes. CR1620 and 6620 are two names for the exact same battery. Use either one.
Yes. CR1620 and 6620 are two names for the exact same battery. Use either one.
They last about the same.
| CR1620 | 6620 | |
|---|---|---|
| Diameter | 16.0 mm | 16.0 mm |
| Height | 2.0 mm | 2.0 mm |
| Nominal voltage | 3.0V | 3.0V |
| Typical capacity | 78 mAh | 78 mAh |
| Chemistry | Lithium manganese dioxide | Lithium manganese dioxide |
| Shelf life | 10 yrs | 10 yrs |
| Operating temp | -30 to 60 °C | -30 to 60 °C |