I've heard about a number of "Super Battery" technologies, but this one seems to top them all:
How Could Nano-Diamond Batteries Revolutionize Power Generation?
Researchers have claimed that nano-diamond batteries could last for 28,000 years. Such batteries would not only be beneficial to the world of electric cars and mobile phones, but their application would also be useful in aerospace and medical technology. This article discusses the development, commercialization, and application of novel nano-diamond batteries.
In 2016, at the annual lecture of the Cabot Institute, Universi