What are charging cycles for lithium batteries and what is the best way to prolong their lifespan?

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Normally I leave my MS Surface plugged in all the time and my cell phone and Kindle charging overnight. Is this practice negatively affecting the lifespan of the batteries? Is there a better way to lengthen a lithium battery’s lifespan?

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Anonymous 0 Comments

For best longevity, you want to keep batteries around room temperature and avoid charging them over 90% or less than 10%.

Things to specifically avoid are charging batteries when they’re very cold, and continuing to discharge batteries all the way to 0%

Also worth noting that many devices put some sort of buffer in the battery, where it will tell you 100% and stop charging when the battery is only actually at 95-97%, and will display 0% and shut off when the battery is only actually at 5-10% This buffer is to prevent excess wear and tear on it. It’s usually *not* a reserve that gets opened up later in the devices lifecycle to improve battery life, as people often think.

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