What is it that kills laptop batteries?
Problem
There are many superstitions on what you must never do lest your battery become worthless - and by worthless I mean hold about 16 - 24 seconds of charge. This has happened to every laptop I have ever owned, and I just got a new one, so please help me sort out fact from fiction. Here are some of the things I've heard: Do not keep your laptop fully charged. You must run it completely down every so often. Do not use your laptop plugged in to the wall. Only plug it in when it needs charge. If you will not be using your laptop for a long period of time, don't leave it at full charge. Do not leave your laptop running 24/7. The first two I know to be complete fiction: this was true of old batteries such as you might have had in an iPod in 2003, but modern batteries function better when kept at or near full charge. Devices even have circuitry to prevent you from completely depleting your battery, as this is dangerous. The third point sounds probable, and I'd be interested to know if it was tr…
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1 Fix
Fix for: What is it that kills laptop batteries?
http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries has some useful information. It suggests the following tips regarding lithium-ion batteries: Don't fully discharge the battery (partial discharges are best) Don't heat up the battery when it's fully charged Ideal storage is about half charged in a cool environment. Tip 2 would support the idea of not using a laptop while fully charged and plugged in, as laptops generate significant heat, and 3 would suggest agains…
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