Okay, this is a little more information than we had a couple of weeks ago [0]. Sounds like these could beat lithium batteries on cost, even if their energy den

Okay, this is a little more information than we had a couple of weeks ago [0]. Sounds like these could beat lithium batteries on cost, even if their energy density and power density aren't at the same levels. (Not saying they won't be, but we haven't seen any numbers yet.) [0] https://news.ycombinator.com/item?id=14941624 https://news.ycombinator.com/item?id=14941624