In article , (Dave Martindale) wrote:
Eastburn writes:
Remember - NiCad are 1.25 volts per cell. To low for some electronics
to function when in a higher voltage circuit.

It's actually easier to design circuits to work properly on NiCd and
NiMh, since the voltage is close to 1.2 V per cell for almost the entire
discharge life of the cell.

In comparison, alkaline cells deliver 1.5 V when new but drop to 1.0 V
or less at end of life (depending on current). Any device that wants to
use alkaline cells should be designed to operate all the way down to 1 V

Forgot to mention high output current where Nicad is king, Nimh second, and
alkaline third. An alkaline will output perhaps 1.2 volts or less at high current.
On the other hand, there is a GE discount CB walkie-talkie that has been sold
in many discount outlets. It uses a fixed amount of cells. It will ONLY work with alkalines.
It NEEDS the extra voltage for the thing to output any decent power, 5 watts, where
the 1.2 volt cells will cause it to output 1/10th proper power level or 500mw.

greg