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| D | R20 | |
|---|---|---|
| Size | Longer and much fatter than an AA | Much bigger than an AA Same |
| Length | Longer and much fatter than an AA | Much bigger than an AA Same |
| Power | 1.5 volts | 1.5 volts Same |
| Kind | Everyday D battery | Regular battery |
Lasts longer: D (about 156% longer)
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Usually. Same size and power, made a little differently. Fine for most everyday things.
Usually. Same size and power, made a little differently. Fine for most everyday things.
D (about 156% longer).
| D | R20 | |
|---|---|---|
| Diameter | 34.2 mm | 34.2 mm |
| Height | 61.5 mm | 61.5 mm |
| Nominal voltage | 1.5V | 1.5V |
| Typical capacity | 20500 mAh | 8000 mAh |
| Chemistry | Alkaline | Carbon-zinc |
| Shelf life | 10 yrs | 5 yrs |
| Operating temp | -18 to 55 °C | -10 to 60 °C |