I created a simple system three years ago to supply electricity to my detached garage for a garage door opener. A single 100w solar panel, two Duracell 12v 100ah AGM batteries, renogy controller, giandel 1600 inverter, and a NOCO Genius GEN5 battery charger that became a regular necessity when...
Apologies, Still a lot of Greek to me. So I purchased an Upgraded Watt Power Meter Plug Home Electrical Usage Monitor Consumption, Energy Voltage Amps Kill Tester with Backlight, Overload Protection and photographed these results while operating the opener. I don't know what they are telling me...