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profdant139's avatar
profdant139
Explorer II
Apr 06, 2022

Break-even point between cable length and voltage drop?

I have two cables for my portable solar panel – one is 40 feet long, and the other is 70 feet long. (We boondock, and we like to park the trailer in deep shade and put the panel out in the open sun.)...
BFL13's avatar
BFL13
Explorer II
Apr 06, 2022
Who says the longer wire will have fewer amps to the batt with whatever the amps the 120W array is supplying at the time? Max is about 7 amps briefly at noon Will the longer wire choke even 7 amps by more than the shorter to notice?

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