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Anyone know what might cause random spikes and drops in array voltage? I wired up my second array today and got everything done just as the sun was going down. Actually sun was pretty much all the way down and just had that evening glow. I tested the voltage at the wires and was getting about...

Agreed. That makes sense.

If you use the web interface to update, it will find them automatically.

I did a firmware update and now it will allow me to input up to the max listed (25.5). So now that I have my generator properly sized by the system, is there any reason why I shouldn't set the Battery Charge Current Limit from the generator to the listed max of 250Adc? I think this would...

This weekend I installed my new 18kpv system with 2 PowerPro batteries. Got everything wired up, went through the (poorly described) start-up process -turned on the batteries, set the battery comms protocol to RS485, P01-EG4, switched on the Battery breakers on the 18k and the system sprang to...

Thank you!

My battery bank is 2 PowerPros. Pictures of all connections were posted earlier in the thread. With the first inverter (the one that died), initially everything started up fine. Then I had to turn the breakers off and back on a few times to try and get the communication settings working. No...

What's strange is this has no visible signs of rough handling. The crate looks perfect. I agree that bargain shopping tends to give you a lesser product, but this company has great reviews on their panels and inverters. The main reason I selected this battery was the free shipping. A $300 cost...

So I think I need to update my firmware between my 4 PowerPros since the 2 new ones aren't communicating with the two older ones. The new ones are on BMS Version Z02T13, while the two original batteries are on version Z02T01. The firmware on the EG4 website is version S02T09. The version...

Well, my un-lucky streak continues with my solar projects. Can't get ahold of these guys to set up a return/exchange of my dead 18kpv. Called them every day since the EG4 rep told me my inverter was dead and needed an exchange. Now I sit here waiting for a call back. *sigh* Since the order was...

Got it. I forgot about that. So would running the inverter at it's 12k charge limit be advisable or should I de-rate and give some headroom? Could it impact lifespan of the system? I want to be able to charge as quickly as possible in order to conserve propane. There are no LP deliveries when...

That's what I was thinking. Almost looks as though the busbar came loose first then an arc traveled down the wire and blew out/melted off the insulation.

Agree they should transport it right-side-up, but this is simply how I moved it out of my house to the concrete pad where it can't do much damage if it catches fire now that I know what the inside looks like. Are you saying then that all the people who have built hand truck mounted units like...

So after months of back and forth with EG4 on here (spoke with EG4_Jarrett back in December/January and EG4_Jared last month) and no luck getting them to send me the right 232 cable to update the BMS on my 4 LL-s and 4 PowerPros, I decided to try another Amazon 232 cable (photo below). At first...