laptop battery cycling

[Michael Havens]

I got the cheapest black friday sale laptop they had at walmart. It is a
bitchin computer!!!

On Sun, May 6, 2012 at 6:18 PM, keith smith <klsmith2020 at yahoo.com> 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 remove it?
>
> I wonder what they life expectancy is?  What would be your guess?
>
> I never take the these two laptops off A/C.
>
> I when to laptops last year in the hope of less heat.   And I buy cheap
> laptops.  Both were on sale.  Cheaper than a desktop.
>
> ------------------------
> Keith Smith
>
> --- On *Sun, 5/6/12, Jim March <1.jim.march at gmail.com>* wrote:
>
>
> From: Jim March <1.jim.march at gmail.com>
> Subject: Re: laptop battery cycling
> To: "Main PLUG discussion list" <plug-discuss at lists.plug.phoenix.az.us>
> 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 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, so...leaving it out really isn't a good solution
> either.
>
> What we REALLY need is a switch or setting in the laptop that will cause a
> 100% charge when you know you'll need more battery life soon, otherwise the
> default charge level is maintained at around 75%.  But that would confoose
> too many people...might be a good FOSS project for geeks though?
>
> Failing that, the best solution is to leave it in there.  Yes, the battery
> will slowly degrade.  But, at least you have protection from a sudden crash
> if you accidentally the power plug :(.  If you can afford it, run two
> batteries - swapping once every week or two (or however long it takes for
> it to naturally drain to about 50%), with the one about to go on the shelf
> being deliberately drained to about 80% first.
>
> Jim
>
> On Sun, May 6, 2012 at 4:17 PM, Robert Holtzman <holtzm at cox.net<http://mc/compose?to=holtzm@cox.net>
> > wrote:
>
> 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 overcharge protection, and second, how many cycles
> is a battery like mine good for?
>
> --
> Bob Holtzman
> If you think you're getting free lunch,
> check the price of the beer.
> Key ID: 8D549279
>
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-- 
:-)~MIKE~(-:
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