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I do frequently have to run my generator to charge the batteries back up so that would be a crucial piece that needs to work, if that's what you mean by another AC system?

Haha this is exactly where I'm at. Been having all kinds of AC board issues with Outback system lately and was hoping that purchasing this would get me in that relaxed state but I don't have that warm fuzzy after reading this post and a couple of others.

@Gubman any interesting news on this in the past couple of days? I am on the verge of purchasing the 18k to replace my Outback system but I want to make sure my Generac Guardian 14k isn't going to be useless post install and I've run into a couple of concerning posts related to this tonight.

So on the latest firmware your PV input breaks on the inverter, but does the generator charge the batteries now?

Had a bad AC board - got it replaced and now about 3 weeks later having more problems and they are sending me another AC board replacement. The house is an off grid short term rental so I can't afford to be having issues.

Will be keeping a close eye on this one, I have a generac guardian 14k that has been working pretty good with my Outback Power system but am looking at swapping it out with the EG4 18K. This would definitely be a deal breaker for me.

Hey all, I am looking at replacing my Outback Power equipment with the EG4 18K PV. I am completely off grid, when I bought the house I didn't know anything and made some mistakes along the way. The system was a 24v system, so I bought 12x EG4 24v Lifepower4 batteries and wired them in parallel...

You were correct, I rewired my panels just now and everything is good again. Well done!

Starting to make sense. When I measured the voltage at the solar panel bus bar/breakers I was seeing 60v in peak sun.

I'm going to look tomorrow, I'm guessing right now I have 24v panels wired in parallel but will confirm tomorrow. Are you saying the voltage difference is a Charge Controller setting? I've got most of the settings set as recommended by the battery manufacturer, I want to say bulk is at like 56.8v

I recently swapped my off grid system from 24v to 48v. Everything but the batteries are from Outback Power. This included rewiring my 24v Lifepo4 batteries into a series parallel configuration, buying new 48v inverters, and reprogramming my charge controllers to 48v. I've noticed my 8.7Kwh...