Tenbear is right. The wiring is the problem with upgrading to a larger charger and Thor is not known for oversizing anything. It would be more than a good idea to check and increase the size if the wiring so you don’t overheat it an start a fire. You might also want to check the circuit breaker and upgrade that too. Not completely necessary under 80 amps, but not a bad idea. Unless you are changing to Trojan 105 batteries or something similar, the hassle is probably not worth the effort.
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