NiCd or NiMH Rechargeable Batteries?
For generic battery sizes, such as AA, AAA, C, D or 9V, rechargeable batteries are available using two technologies. While for most applications you can use either, there are some subtle differences which could make a big difference in how well they work in your application. If you want to get the best use from your rechargeable batteries, read on.
For additional details on each technology, take a look at:
NiCd or NiMH - Summary Comparison
| NiCd | NiMH | |
|---|---|---|
| Voltage | 1.2V | 1.2V |
| Capacity (AA) | 400-1100mAh | 1300-2600mAh |
| Downside | environmental impact memory effect | damaged by overcharging |