I think you're already wrong about battery tech. https://www.newscientist.com/article/2228681-a-new-battery-could-keep-your-phone-charged-for-five-days/ https:

I think you're already wrong about battery tech. https://www.newscientist.com/article/2228681-a-new-battery-could-keep-your-phone-charged-for-five-days/ https://www.newscientist.com/article/2228681-a-new-battery-c... I think we will see much more crazy developments in that area.