Re: Issue with notebook (maybe the battery?)
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On Sun, Mar 26, 2017 at 04:46:37AM -0500, Richard Owlett wrote:
> On 03/25/2017 05:29 PM, Daniel Bareiro wrote:
> >Hi, Joe.
> >
> >[snip]
> >
> >Checking the purchase invoices, I bought the notebook on September 19,
> >2013, and then changed the battery on November 2, 2015. So less than two
> >years ago I have this battery.
> >
> >The notebook I use it practically every day and I leave it sleeping from
> >one day to the next so I do not have to open every application every
> >time. I'm not sure if that impacts so much on the battery life.
>
> If it was a long term degradation, possibly. With some battery
> technology/technologies(?) there is a "memory" effect. If there is a
> repeated "shallow discharge"/recharge cycle ( sleep overnight
> followed by running during day with charger plugged in) the
> effective battery capacity will decrease. IIRC that applies to only
> one technology but can't remember which.
That would be the nickel family (NiMH and its predecessors). Laptops
changed long ago (I'd venture somewhere in the 90-ies) to Li-whatever.
Those have other weak spots: overcharging shortens their lives,
especially being overcharged *and* higher temps. More overcharging
leads to fireworks. They *need* some electronics to take care of
that. Deep discharge is also fatal to their lifetimes.
Regards
- -- tomás
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