The build

I’ll get Bob to explain what we’re doing. But I think in my very dumbed down version. That ours will switch automatically ( I may be completely wrong of course, I do slightly glaze over when it’s being discussed) and I have no idea how or where the switching between mains & battery will take place ( I probably was told, but it just turned into white noise). I do know the price of them had dropped considerably in last couple of years (hence the very soon to arrive battery). I also know it’s going to live in the garage in its own ventilated cupboard. Can’t even remember the capacity it’ll store I think it 16 or 20 ………somethings??.
It’s electrics , I don’t really get it. Same as the kinetic light switches we’ll be having in a couple of places. Not a clue how they work. But it sounds cool.