Lewis;
 yes you can use a battery that's slightly different voltage.
Rayovac makes a replacement battery #844a 4.5 volt
that will work in almost any system. I routinely use them.
You can order them at:  www.cyberguys.com .
I think the expected life of these batteries is around 3-7 years.
In a pinch you can use a plastic AA battery holder
that Radio shack makes with the appropriate number of AA batteries.


Lewis C Emerson wrote:
>
> If the CMOS battery dies must one always replace it with a battery of the
> same type?  My battery is a 3.6 volt NiCad.  Is it permissible to replace
> that with a Lithium battery of about that same voltage, or perhaps just a
> tad less.  I am worried about the fact that the Li battery is probably
> not a chargeable type and there must be a charging circuit for the NiCad
> on the motherboard.  Actually, I've already done this and so far (several
> days now) things seem OK.  Should I be worried?
>
> Lewis Emerson
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