davidg wrote:Using a phone app ................... hmm if there is a blackout how do you communicate with the system unless it's direct which also requires you to be at site/home at the time and know how to do it. I think that's a bit of clunky solution personally. #just saying.
When the grid goes down the inverter will stay powered while ever there is solar generation or the battery pack has power. The inverter has WiFi, and is concurrently a network server as well as a client on the local network. A WiFi connection can be made directly to the inverter's WiFi server if the house router is down, or it can be made through the house router WiFi if it is powered up.