“I would love my iPhone and iPad to last for a month between charges”
– BE CAREFUL WHAT YOU WISH FOR !
There are more than 42 companies, just in Silicon Valley, that are working on various forms of new Battery technology. Their goal is a Five-Fold increase in capacity, at a Fifth of the cost.
That sounds great. Except that a breakthrough of that scale will trigger a massive onslought of drones and robots and cameras and sensors. There are insect size drones already demonstrated – with a hair-like power wire attached pending the new batteries.