I Goggled for
"
disable notebook battery
"
and got lots of hits and looked at the first two results and found them
both interesting.

"Guy Thomas" <guy@computerperformance.co.uk> wrote in message
news:uW1j4wXsHHA.1216@TK2MSFTNGP04.phx.gbl...
> Dear Tom (and Freddy)
>
> Many thanks for your advice.
>
> I guess that the lack of other replies means that I have not missed
> anything really obvious.
>
> Guy
>
> "TomLives2000" <here@home.com> wrote in message
> news:f5Fci.19649$C96.7153@newssvr23.news.prodigy.n et...
>>I bought a travel charger that came with a pass through option on the
>>power supply. I can charge or simply pass the current through to run the
>>machine. It also works well in air/boat/or car. Although I would never
>>take it on a boat.
>> "Guy Thomas" <guy@computerperformance.co.uk> wrote in message
>> news:OP2v7JprHHA.4768@TK2MSFTNGP02.phx.gbl...
>>> Goal: To preserve the LONG-TERM life of my battery.
>>> Situation: The laptop is connected to the electricity mains and a
>>> battery is installed. (Normal configuration)
>>> Question: Is there a software, or a registry setting, to disable the
>>> battery and thus stop it from (re-)charging and wearing itself out?
>>> I do realize that I can just release it and remove it, but it would be
>>> handy to achieve the same result in software.
>>> Guy
>>>
>>
>
>