> But it seems it is just a glorified UPS... Yes, exactly. > is that what the tesla "Wall" is? You mean the Powerwall. It's more like a standby generator tha

> But it seems it is just a glorified UPS... Yes, exactly. > is that what the tesla "Wall" is? You mean the Powerwall. It's more like a standby generator than a UPS, because they either backup the whole house, or a subpanel. There is an automatic transfer switch, just like a standby generator. --- The big differences between a Powerwall and a standby generator are: The Powerwall needs no maintenance. (Standby generators need annual maintenance, oil changes, new spark plugs...) The Powerwall needs no external fuel source. (No tank of diesel or propane, no need to have a natural gas service to the house.) The Powerwall can be configured to only charge from solar. This allows owners to take advantage of renewable energy incentives. The Powerwall can join Tesla's virtual power plant, and feed back into the grid, thus generating revenue. (Basically, charge from solar when demand for electricity is low, and feed back into the grid when demand for electricity is high.) Tesla paid me over $1000 for 2024. --- (In case you didn't know, a standby generator is the kind that automatically starts and powers your house in a blackout. A portable generator is, well, portable. If you have one, you have to manually start it, and either trip over extension cords, or wire in a manual transfer switch to your house.)