On Wednesday 05 August 2009 18:38:12 Kwan Lowe wrote: > On Wed, Aug 5, 2009 at 11:14 AM, Blake Hudson<blake at ispn.net> wrote: > > How old is your laptop? This may be a case of expectations not meeting > > reality. As the Wiki article linked previously mentions, LiION batteries > > deteriorate over time and with use (as do all batteries). In my > > experience, a typical laptop battery (treated well) will last 2 years > > while maintaining the majority of its original capacity. After 5 years, > > the battery run time is often inadequate to meet the needs of the owner. > > When purchasing a laptop, I would have the expectation that the battery > > will need replaced every 2-3 years - if the laptop is used, assume that > > it needs a new battery. > > The laptop is about 18 months old, so the battery was nearing its end > but I'd hoped for at least another 6 months of useful time (more than > 10 minutes). The battery is in worse condition than three identical > batteries in the other 3 laptops purchased at the same time. The main > difference is that this laptop is plugged in continuously while the > others are mobile. > My laptop is four years old, and yes the battery is aging. When I bought the laptop there were instructions that if a laptop is used mainly on mains, you should run it on battery, say once a month or so, until you are down to 10%. It was claimed that the periodic discharge in this way actually lengthens the life-span of the battery. Anne -- New to KDE4? - get help from http://userbase.kde.org Just found a cool new feature? Add it to UserBase -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: <http://lists.centos.org/pipermail/centos/attachments/20090805/9c69ec38/attachment-0004.sig>