Battery disconnect
Picked up a battery disconnect for our fifth wheel. It's the paddle type that connects to the negative battery post. Our trailer has two 12V batteries wired together. I asked the guy at camping wo...
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A battery has 6 cells connected together in series with only two external posts.
Similarly, Think of two batteries connected together in parallel as a single battery or box. One wire coming out to ground, another wire to positive. A switch on either wire would isolate the whole double battery. One of the wires will come directly from a battery post so the aforementioned disconnect could be attached to that post.
However, that post will have a second wire on it, going to the same polarity post on the other battery. Could be tricky getting the wire and the switch on the same post.
Similarly, Think of two batteries connected together in parallel as a single battery or box. One wire coming out to ground, another wire to positive. A switch on either wire would isolate the whole double battery. One of the wires will come directly from a battery post so the aforementioned disconnect could be attached to that post.
However, that post will have a second wire on it, going to the same polarity post on the other battery. Could be tricky getting the wire and the switch on the same post.
