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by kees99
719 days ago
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Primary, non-rechargeable lithium batteries typically contain metal lithium [0], and are actually more likely to catch fire when mishandled, compared to Li-ion stuff. Specifically, most common Li-ion fires start when overcharged (especially with high current and in cold), and from short-circuits (e.g. when pierced). But only have a very small chance of spontaneously igniting from just disassembly alone [1]. Still non-zero chance, don't open them! Primary/metal lithium batteries, on the other hand, are much more likely to burst into flames when opened. Notably, lithium-iron disulfide (AA/AAA "alkaline replacement") cells are notorious to do that just from air exposure, even if one is very careful to not short/pierce anything. [0] https://en.wikipedia.org/wiki/Lithium_metal_batteries [1] https://www.youtube.com/watch?v=uI1eRy0uBI8 |
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