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I have the batteries, with your experience could you review my wiring diagram, thanks.

Could you have a look at my wiring diagram and see if I am covering the bases?

I meant upgrade the PV panels next to 8000 Watts on 2 strings.

I plan on using battery balancers on each group of 4 batteries. I will use WATTS247 4 to 2 combiner box for the PV panels, it covers all the contingencies in a neat box. I will have 2 PV strings totalling 4000 Watts initially, then upgrade to 4 strings and 8000 Watts later. Here is my wiring...

I got the sealed batteries for $80 each out the door in the box.

I am building an off grid Solar system based on the MPP LV6548 all-in-one inverter as inspired by William Prowse you tubes. I have purchased 20 Renology AGM batteries 12V 100AH batteries and have ordered my MPP LV6548. Initially I plan on using 2 strings of pv panels totaling 4000 Watts. I am on...

Check out William Browse site MOBILE SOLAR POWER for recommendations also I saw a lot of options for used panels in SOCAL Craigslist.

I have studied the posts and thought about it, what about Amazon.com- Battery Disconnect Switch 12V 24V 48V 60V Battery Master Cut Off Isolator Switch Waterproof for Marine Boat Auto Camper RV ATV UTV Vehicles, Military Quality On:Off Position - Automotive.webloc for the positive leg of 48v...

Thanks, earlier in this thread you can see Williams response on the battery to inverter side, isn't the T 300 fuse to protect the PV panel to inverter connection from lightening? I will look at your photo's. Cheers

DanF, nice work, I am building a single LV 6548 system with 20 sealed AGM batteries. I am a William Prowse student, as I understand it he says that a cutoff or breaker is not necessary on the battery to inverter side and you agreed. MPP mentions putting in over current protection and...