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Thanks! BTW - this is a highly responsive forum (it's almost real-time) - kudos!

No issues now-just want to be proactive, just in case. - thanks!

I have a EPever MPPT 40A controller and 12V batteries. I am considering stringing 4 x 100W panels in series. Anything wrong with doing this, provided i am within the specified Voc and Vmp maximums? I know that, for the MPPt to work, I need to be at least 2V above the battery voltage, but is...

I have the 4415N 40A, Voc max=150V, Vmpp max=108V, and I live in SW Florida.

I recently pulled copies of the NEC 2020 article 690 from my local library and 690.4 General Requirements (C) "Qualified Personnel" must perform all installation and wiring. The definition is in Article 100, which requires the individual to have passed some type of safety certification. ...only...

Just installed the inverter for the first time and it shuts down with no load. Battery voltage (as measured at the 12V input posts) is within range. Verified the ground directly to outdoor rod is good. I have a 60A fuse from batteries (12V 100AH x 2) to inverter. The 60A fuse trips upon...

I am having trouble communicating with my battery bank, using the provided RS485-USB cable on Windows. I set the battery ports properly, but no battery status. Any suggestions? I can't find specific instructions on the Growatt website.

So the precharging needs to be performed at every turn-on? Seems that it would.

I have 4 panels in a series string. What are the symptoms of 1 or more panels failing?