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All this talk of Lithium batteries
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<blockquote data-quote="WTM" data-source="post: 5574108" data-attributes="member: 6230"><p>elon musk shipped poorly built battery packs with defective aluminum tubing.</p><p></p><p>not "any" lithium battery. those are custom packs with 18650 batteries with cooling ribbons and tesla has replaced a whole lot of them with LFP (lifepo4) packs.</p><p></p><p>you have to consider li-po, nmc and nma chemistries they use in those batteries the max ambient temp is 120 degrees and the max charge/discharge can be as high as 50C, which is around 750 amps depending on C and V.</p><p></p><p>LFP on the other hand has a 165 degree max temp and 2C charge/discharge rating.</p><p></p><p>all of those big boat fires were cause by either li-po or nmc batteries on hydrofoil skiis or underwater scooters during the charge cycle.</p><p></p><p>i wouldnt worry about LFP batteries, you can drill holes in them and dunk them without any catching fire. what you have to worry about LFP batteries is who built them. pick your brands carefully.</p><p></p><p>people using those dewalt drill batteries, well, better keep them cool and out of the water.</p></blockquote><p></p>
[QUOTE="WTM, post: 5574108, member: 6230"] elon musk shipped poorly built battery packs with defective aluminum tubing. not "any" lithium battery. those are custom packs with 18650 batteries with cooling ribbons and tesla has replaced a whole lot of them with LFP (lifepo4) packs. you have to consider li-po, nmc and nma chemistries they use in those batteries the max ambient temp is 120 degrees and the max charge/discharge can be as high as 50C, which is around 750 amps depending on C and V. LFP on the other hand has a 165 degree max temp and 2C charge/discharge rating. all of those big boat fires were cause by either li-po or nmc batteries on hydrofoil skiis or underwater scooters during the charge cycle. i wouldnt worry about LFP batteries, you can drill holes in them and dunk them without any catching fire. what you have to worry about LFP batteries is who built them. pick your brands carefully. people using those dewalt drill batteries, well, better keep them cool and out of the water. [/QUOTE]
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