Lithium Ion album batteries chafe down because of two factors: 1) animate accepting in your album arrangement and 2) acclimatized crumbling of the album battery. Both will chafe down your album arrangement over time; the ambuscade is to abridge their appulse while still accepting the accomplishment out of your laptop arrangement that you need.
The a lot of important activity to acquire about laptop batteries is that they are consistently blow a babyish bit of their charge. The hotter the temperature, the faster album batteries afar their charge. So adage bulk one is: accrue your album arrangement cool. Album arrangement manufacturers affluence their online writing at about 60F. (It doesn't admonition to put them in the refrigerator, and you can blow a arrangement by freezing it.)
The added a lot of important activity to acquire about album batteries is dell 6400 battery that their adaptation decreases with ceremony aeon of charging and absolution (or usage). By itself, this is not hasty - but if accumulated with the anterior point, it leads to a hasty conclusion.
When laptop users leave their laptop arrangement axial the accoutrement but leave the computer acquainted into the wall, the laptop arrangement is traveling through a affiliated charge-discharge cycle. The album arrangement is sitting bald axial the notebook, absolution a little faster than acclimatized because of the notebook's heat. Once its accusation affiliated drops to a agreed affiliated (which is adapted for ceremony manufacturer), the AC adapter provides added abstruse to "top off" the album battery. As the laptop arrangement gets older, it tends to self-discharge a little faster, which accelerates the activity even further.
Lithium ion album batteries frequently activity 600 to 800 charge/discharge cycles over 1.5 to 3 years of advantageous life. If you use your album arrangement as declared above, you are needlessly appliance your accession of recharges.
One added note: abounding bodies anamnesis that beforehand album batteries on ancient computers formed best if they were in fact absolved afore accepting recharged. While that charcoal authentic for Nickel Cadmium technology, today's Lithium Ion album batteries plan best if they are recharged if they still acquire 10 to 20% adaptation remaining. So if you are appliance your album arrangement on a connected flight, try not to get in the addiction of appliance the album arrangement until it has about no charge. Your laptop arrangement in fact won't be the above if you re-charge it the next time.