FWIW Lipo powered hybrids use around 15-40 kilos of Lipo cells, most have a dedicated temperature management system to stop them getting too hot OR too cold) only the very smallest piggy back off the AC/cooling system, they also have custom designed charge/discharge management systems (rather than a stock, generic Chinese circuit board), they also sit inside 30-50 kilos of high strength steel or composite armoured casings with what can only be described as blast vents in case of Lipo failure.
Yet people still rely on a Lipo sack.
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