Definitely not 40 hours use, but I get about 20 out of it, unless I’m doing something particularly heavy. Like, I tested BG3 on it for shits and giggles, and got better performance than my 2070 machine, but it drained my battery by over 50% in Les than an hour

My MacBook lasts a week or more already. I’ve had it for almost 3 years and put less than 100 cycles on it.

We have gigantic mountains, we could build the biggest and best pumped storage hydropower batteries in the world, and have nearly limitless storage.