wibbble: A manipulated picture of my eye, with a blue swirling background. (Default)
wibbble ([personal profile] wibbble) wrote in [personal profile] azurelunatic 2018-12-09 12:15 pm (UTC)

Some extra points:

Fully (i.e., unsafely) discharging a Li-ion battery will not only reduce its capacity, but there's a chance it might explode when you charge it up. Any battery in a consumer device should have protection circuits that stop you from running it down to unsafe levels through use, but a li-ion battery left at 0% for a long time should probably be considered dangerous.

Any consumer device will have protection against over charging, but if someone decides to cowboy up a 'fast charge' involving a car battery, run away. There's lots of videos on YouTube about exploding batteries, because it's easy to recreate and looks dramatic. The first few seconds of this one should get the point across: https://www.youtube.com/watch?v=YuKF8XfCVKQ

Apple used to have a really good web page on this stuff, but it looks like it's been replaced with more iPhone/Apple-device-specific bits: https://www.apple.com/batteries/

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