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Hi from Colorado. I am new to the forum, and found it because I am in the initial stages of planning an off-grid PV setup for a mountain cabin. Initial system is planned to be 6KW of panels, a Sol-Ark SA-12K inverter, and several EG4 batteries. I'm sure I will have many questions for the group...

I see mentions in discussions about high frequency vs low frequency inverters. What specification or construction detail indicates whether an inverter is HF or LF, and is there a general recommendation of advantages of one over the other for various scenarios?

My installation is at 9100 ft (2775 m). I am installing mostly Schneider equipment, and have ordered a 600VDC/100A SCC from them. According to the specifications, the highest elevation for the SCC to operate in is 2000 m (6562 ft). I inquired from the Schneider tech support as to how to derate...

I'm in the final stages of designing an off-grid system for a cabin. I would appreciate any feedback on the diagram below, specifically wiring gauges, fuses/breakers, etc. The inverters stack to give 3000W/240V AC split phase at the AC distribution panel. The cable length between the inverters...

Looking for recommendations for off-grid inverters for a system with these characteristics: 48V un-inspected: off-grid, no building or electrical inspections required ~6 KW solar panels expanding to 12-18 KW over time PV array would probably settle in at around 400 V, 19 A initially, expanding...