"VW Internet" wrote in message
...
Hi,
I have a battery charger That take many small radio batteries.
The ones i am charging now are the AA batteries.

There is a Ni-CD and a Ni - MH switch.

The question is:
1.What is the difference?

different charge rates

2. Can damage occor if on the wrong mode?

yes

3. How long can an uncharged battery be stored?

indefinitely (assuming we are only talking about the above types of
batteries)