Solid State Batteries from Harvard

https://www.youtube.com/watch?v=H3BEefD-Zac is another Electric Viking video about this new battery. While they are not being built for car-sized batteries yet, they offer serious promise.

Let's say you fully discharge and charge your EV every day. Ten thousand charge cycles would mean over 27 years of battery life. Recharge in three minutes. Increased energy density. They are projecting it will be in production within three years.