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I'm hoping someone can confirm or correct my understanding of how to match your solar array strings to your charger/inverter. This is what I think is true: Use VOC to make sure you do not exceed your inverter's capacity. Panel VOC x number of panels in your string x 1.2 (a rough constant to...

Hi, I have been researching DIY solar for a few weeks now as I am contemplating installing a full solar power system in my off-grid seasonal cabin, and I'm hoping to get some candid feedback from this community. Then more I research relatively inexpensive all-in-one units from Growatt, EG4...

I am considering installing a EG4 6000XP. Reading through the manual I noted that it stipulates the installation of a separate PV circuit breaker/isolator switch in addition to one integrated into the unit. Why? Seems like the integrated switch is being touted as a convenience and money saver...

I have a newbie question about MPPT range. I am planning an off-grid solar power system using an EG4 18K. I was thinking of installing a 10-panel array of Blue Sun Bi-Facial panels, model BSM460M-72HBD. The ground mount array will be approximately 100 yards from the inverter, so I am looking...