From: Bill Morrow (penzance_at_icanect.net)
Date: Wed Oct 07 1998 - 00:36:56 EDT
i believe the temperature thing is to avoid overcharge..
gets too hot when charging and it will stop charging until temp goes down..
Slip wrote:
> > I believe the manual says to avoid completely discharging the
> > battery.
>
> Yes, it does, but the manual was released when it shipped with NiCD
> batteries. I called IBM and asked. The NiMH's for the 701 were released
> after printing of the manual.
>
> > A lot of 701 owners had this problem. Another common problem
> > was the battery cutting out when the Fn-F2 meter showed
> > 10%-20% remaining.
>
> Yeah, this is annoying as anything. Exspecially when you have to *guess*
> how much power you have left. I realise that the meter will fluxuate with
> the amount of power you are using.. Just seems that the 701 surges and
> pulls all the juice out at one time. I just got off the phone with IBM
> support, and they plainly said: 'this particular model of Thinkpad does NOT
> support hot-swapping of batteries, unless you first supply an AC source'
>
> > Anyhow, don't worry about any sort of memory effect with the
> > 701's NiMH battery. I had mine stuck in the machine, on AC
> > 24/7 for nearly two years. When I sold it last week, that
> > battery still held about 2.5 hours of charge.
>
> Not sure where I read it, but supposidly the 701 was the first to release
> the 'smart-NiMH'. The batteries are measured by voltage, not temperature,
> like previous laptops(or something along that line). Appearently the others
> used temperature to determine how much charge was left. Anyone out there
> know any more about this?
> Thanks
> -Jamie
-- Happy Trails...** Bill Morrow ** :-) WEB page http://thinkpads.com Thinkpad User Community: http://thinkpads.com/enter.html bill_at_thinkpads.com, morrow1_at_compuserve.com, morrow_at_treco.net 770ED-5AU(8.1gig, 298meg), 760ED(3.0gig, 104meg), 701C(6.3gig, 40meg), 755CE(no gig, 40meg), 750C(no gig, 4meg), IBM WorkPad(1meg)
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