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  1. K

    switch/relay to reverse DC DC charger inputs --> charge starter battery

    Question: Is it possible to use a manual transfer switch or relay to swap the input & output of a DC - DC charger, in order to charge a starter battery from a house battery? sketch attached that I hope shows what I mean This could be accomplished with: - a switch like this (most are AC...
  2. K

    Any feedback on ETC cells?

    Does anyone have experience with ETC cells? Good? Bad? depends on who you get them from and what questions you ask? This is the only thread mentioning them on the forum, though the buyer didn't mean to buy them in the end he was satisfied (and confirmed through a PM that they are working after...
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