Eli5: why do some batteries get all puffed up and why is it bad?
In: Technology
All batteries work on the principle of having a charged particle (**ions**) moving from one end (**electrode**) to another through a substance called an electrolyte.
In rechargable lithium ion batteries, if the battery gets too hot, this electrolyte can turn into a gas causing the puffing.
It’s bad because it’s a sign the battery isn’t being used correctly (overheating) and the deformed battery can damage the components.
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