From: Bill Morrow (penzance_at_icanect.net)
Date: Thu Apr 29 1999 - 22:51:02 EDT
IMO its worse to leave it uncharged for extended periods of time..
the NiCad is inferior to the NiMH..
the charge circuit ONLY charges when the machine is on (on, in suspend or, i think,
in hibernation) and plugged in, obviously..
Robert Sturrock wrote:
> On Thu, Apr 29, 1999 at 11:04:14AM -0400, Bill Morrow wrote:
>
> [...]
>
> > IF the battery is old (over a year or so), then it could be kaput..!
> > otherwise, the only other thing is could be is dirty contacts or the like...
> >
> > you can try to "cycle" it.. total discharge, then re-charge.. but i don't think
> > this will work with Li batteries like it does with NiCad...
>
> [...]
>
> On the subject of batteries, I have a ThinkPad-701C with a single
> NiCad battery. The battery is new (or so I'm led to believe). However,
> I don't really ever use the battery, since I mostly just plug the unit
> into the mains at home. I had been leaving the battery plugged into the
> system anyway, but someone told me this is a bad idea. I was also told
> that if I do use the battery, I should run it down to 0% then charge it
> back up again, rather than just running it down to say 70%?
>
> I want to preserve the battery for those rare occasions when I do need
> to use it. What is the best strategy for doing this? I have taken the
> battery out of the unit, but should I run it right down to 0% first,
> or is it OK to leave it charged up while in storage?
>
> Thanks.
>
> /r.
-- Live Long and Prosper, Happy trails...** Bill Morrow ** :-) Compuserve Thinkpad Forum Sysop WEB page http://thinkpads.com <-- this domain name is soon to be stolen by IBM Thinkpad User Community: http://thinkpads.com/enter.html bill_at_thinkpads.com, morrow1_at_compuserve.com, morrow_at_treco.net 770Z-8AU, 760ED, 760CD, (5)701C, 560E, 755CE, 750C et al...
Including, but not limited to, Subject to prior sale, Your mileage will vary, Done on a closed road with a professional driver AND Do not try this at home..
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