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Re: Lubuntu vs laptop batteries



when the battery is charged the charging stops (this stops the battery from
exploding!). When charging is turned off, the laptop will run on battery
power for a short while and once the battery is not 100% full (as you say
~95%) the charger re-engages.

I see this when I charge my mobile phone, it will charge... the charger
will then indicate that the phone battery is fully charged and change
state. A few hours later, it will then re-engage to charge the phone.

I'll have to take a check of actual charge on my laptop battery, but I know
that after ~3 years Ni-MH battery packs are approaching the end of their

For more technical details of how charging Ni-MH batteries takes place, I
suggest having a read of

As I understand it, laptops and mobile phones use the 'fast charge' method,
which requires some 'intelligence' on the side of the charging system.



On 6 December 2013 15:15, Lars Noodén <lars.nooden@xxxxxxxxx> wrote:

> > On 11/18/2013 11:07 PM, Phill Whiteside wrote: Hi Lars,
> >
> > mine doesn't spend too long unplugged from the power. But when I do
> > run it on battery it behaves as expected. I do have a nearly new
> > battery in piglet, as the other couldn't hold a charge (it was a
> > mis-used windows machine in its previous life). I've certainly no
> > problems getting an hour out of running at full power (no dim screen
> > etc).
> >
> > Regards,
> >
> > Phill.
> On several occasions I've been able to leave it plugged in over night
> and continue to use it while plugged in.  Even then the
> xfce4-power-manager periodically comes up with a notification that the
> battery is charging.  That usually lasts for a few seconds, during which
> it shows that batter at 0% or 95%.  After that pause it then goes back
> to a notification saying fully charged, and a check shows 99%.
> ACPI shows some fluctuation with design capacity and last full capacity
> over time.
> Regards,
> /Lars
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