For that matter what is it with batteries that make them so fickle?
You can’t charge them to full, but at the same time you can’t let them die, but at the same time you should wait for them to die before you charge since constant charging is bad, but at the same time not charging enough is also bad like what’s the real deal with batteries T_T
In: Technology
> Why should you never charge a battery to full?
So that people who gave you this wrong advice have a sense of accomplishment. /s
Go ahead and charge the battery until full. Modern batteries, installed in modern devices, are designed to work that way. The secret is that, on average, they will be around 80% charged, which is indeed optimum for their life span.
In other words, you charge it until full, you unplug the device and use it until it’s down to something like 60%, then charge it again – the odds are that in the long run it will all average out around something like 80%.
If you never charge it until full, then it will average to a value lower than 80%, which is not optimal.
Many smartphones will charge it to 80%, hold it there most of the night, then in the morning shortly before waking you up, they will quickly charge it to 100%. This, again, is best for the battery in the long run.
TLDR: Charge it until full. You’re not smarter than the manufacturers.
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