Desktop computer? Large TV + stereo system? Refrigerator? Toaster oven? Printer?

There’s a lot of things that use more than 150w. I can’t imagine how you’re going to sell people on “here let’s make your house fundamentally worse and less capable. Oh, and you also need to buy all new appliances with different plugs“

So you created a system for providing lamps with electricity.

Why not battery power those low power items as well?