Re: laptop battery cycling

2012-05-07 Thread Robert Holtzman
On Sun, May 06, 2012 at 06:18:45PM -0700, keith smith wrote: > > I run 2 laptops all day - about 14 hours a day.  I pulled both batteries.  > They are in my desk drawer where they have been for 4+ months. > > Your saying it is better to just leave the battery in the laptop at 100% than > to rem

Re: laptop battery cycling

2012-05-07 Thread Dazed_75
th >> >> --- On *Sun, 5/6/12, Jim March <1.jim.ma...@gmail.com>* wrote: >> >> >> From: Jim March <1.jim.ma...@gmail.com> >> Subject: Re: laptop battery cycling >> To: "Main PLUG discussion list" >> Date: Sunday, May 6, 2012, 4:34 PM &g

Re: laptop battery cycling

2012-05-06 Thread Michael Havens
. And I buy cheap > laptops. Both were on sale. Cheaper than a desktop. > > > Keith Smith > > --- On *Sun, 5/6/12, Jim March <1.jim.ma...@gmail.com>* wrote: > > > From: Jim March <1.jim.ma...@gmail.com> > Subject: Re: laptop bat

Re: laptop battery cycling

2012-05-06 Thread keith smith
March <1.jim.ma...@gmail.com> Subject: Re: laptop battery cycling To: "Main PLUG discussion list" Date: Sunday, May 6, 2012, 4:34 PM My VERY limited understanding is, the problem isn't "overcharging" exactly.  It's that Li-Ion batteries are weird.  They las

Re: laptop battery cycling

2012-05-06 Thread Jim March
My VERY limited understanding is, the problem isn't "overcharging" exactly. It's that Li-Ion batteries are weird. They last longest when charged between 50% and 80% - as opposed to 100%. But bad news: maintaining the battery at a level below 20% is just as bad as keeping it at 100% if not worse,

laptop battery cycling

2012-05-06 Thread Robert Holtzman
For the record, I'm running a Lenovo T420i with a 6 cell battery. In the past I've been told that it's bad practice to run a laptop on AC with the battery installed because it would cause reduced battery capacity. This raises two questions. First, is it true that laptop batteries don't have overc