Why is it better to charge a Lithium Polymer battery to 80% (ish) than to 100% every time? I have heard this reduces wear, but why?
In: 11
Resistance in the cells goes up in the top 15-20% and also in the bottom 15-20%. It’s why your phone battery may get hot when charging or discharging in that zone. Most devices have an oversized battery that will keep your phone or other devices working when it’s near a full charge or discharge. Almost all devices designed to run on lithium batteries are designed to shut off before the cells are fully discharged to help prevent cell damage and possible fires.
Source: RC hobby and fear of fires forced me to do a lot of research on lipo batteries.
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