Quote:
Originally Posted by lutach
How many have tested water for electrical conductivity? If one has you know the answer. Like my man Bruce Lee once said, "Be like water". I got a few lipos wet and they're still going strong.
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I have experienced some issues with lipo+water. Green stain apears on the balance tab, it starts from one end and then as time goes on spreads to the other end, a very clear electro-chemical effect. Those stain will cause unstable cell voltage readings thus balance result. I have(have to )replaced two balance tabs of my 10 6S packs.
Most LiPos are shrink wrapped, once water gets into the pack it can hardly find its way out. When I opened one of my failed pack I was shocked how bad it smells and what power a tiny drop of water DOES have. At many dots the metal part of the aluminum-plastic film are gone, making the cells leak. You know the leaked electro-liquid is conductive and corrosive, making more metal film disapear, and finally make the whole pack fail. As a temperary solution I made round whole windows on my survived packs' wrap film to help water out(helps it in too, but drys much faster)
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