What connectors and gauge wire should I use for 72v 80A continuous?
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Depends on the length -
Also you would want to know how often you would be drawing the full 80. An XT90 is supposedly rated for 90 amps but I am about 75% sure if you tried to do that continuous it would melt. But if you are maybe going to draw 30 amps on average and have brief spikes of 80 that may be just fine.Comment
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4ga if its short lenght. 0g if its long. 00g if its really long. QS9 plugs are nice and rated to 150a. Or Anderson connector works.Comment
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The only response that comes to mind is "it depends"
and it depends on lots of things... simple questions seldom have simple answers... best to fill in every detail whether considered relevant or notComment
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For that kind of current, you need to switch up to Anderson connectors. The 50 amp size can be doubled up. Or if it makes more sense then next size up is 175 amp. As for wire, sounds like 2 gage will do you right. 6 gauge will kinda heat up but you can double that up if it makes sense. Wire does fine running hot. Its got a rating on the wire. 4 gauge is just rare to find and will cost too much to consider. Now if your talking lengths of over 20 feet, the wire will only run hotter each time you double the length. And you loose abit of voltage drop too. I bet few people carry 4 gage so they drop down to 2 gage from 6 gage to make sure you have no capacity issues. Hah.Comment
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