So I'm running my 4- 6 volt batteries in series than parallel to give me 12 volts at 440 amp hours. I connected them using 4/0 wire. Going out from the batteries to the inverter I was going to use 2/0 wire with a 250 amp fuse. It's a 6 foot run. My xantrex 12 volt inverter manual said they recommend to use "0" wire for low line loss (I went bigger). It said to use a 250 amp fuse. So here is my question. Is even a 2/0 wire big enough for a 250 amp fuse? I like the idea of 2/0 wire (easy to handle Vs the 4/0) Does this sound right?? What size wire is neccesary? Can a 2/0 wire handle the 440 amp battery bank? Confused
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Battery to Inverter Wire Size