Re: laptop battery cycling
On Mon, 2012-05-28 at 07:10 +0200, Ralf Mardorf wrote:
> On Mon, 2012-05-28 at 00:01 -0400, Doug wrote:
> > On 05/27/2012 09:57 PM, Scott Ferguson wrote:
> > > On 28/05/12 11:37, Robert Holtzman 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.
> > > Your Li-ion battery will have a longer life if it's stored in a well
> > > sealed plastic bag in the 'fridge with a 40% charge than on constant
> > > maintenance (trickle) charge plugged into the laptop. Take it out of the
> > > 'fridge and fully charge prior to using. Keep it in the 'fridge state
> > > when running on mains.
> > /snip/
> >
> > I've often wondered, after reading this advice time and time again:
> > how do you determine that the battery has a 40% charge?
>
> To overdo things can also shorten lifetime. Some plastic pin will break
> and you can't mount the batteries with 100% more lifetime anymore.
>
> Don't forget to heat the battery in an open fire, when it was in the
> fridge.
Store it in a well sealed asbestos bag before doing this :p
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