Ted is correct.... you are not always going to see 60A.... it will likely be a rareity that you do unless the batteries are deeply discharged.
I did a LiFEPO4 upgrade recently with the same Converter. Wire gauge is also a factor and will impact the actual voltage reading. My Converter is a good 18 linear feet from my house batteries and with the actual wire run it is probably between 25 - 28 feet. Thor really didn't use a heavy enough guage wire for the length of the run and there is a measurable voltage drop based on the FireFly reading and the reading of my Victron SmartShunt.
I did not bother to change out the wiring from my Converter to the new LIFePO4's but I did change out the Inverter wiring. Xantrex recomends no more than a 5' run and Thor had more than 8' of wiring for no good reason. A bunch of the excess was just looped together under the steps. I was able to get the run down to 4 or 5 feet.
On my old Outlaw 29H, Thor had pver a 15' run from the Inverter to the house batteries and the wire was no where near the guage it should have been.
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