[tzs]

If you Google you will find that in fact similar headlines exist all over the place. The only problem with the HN headline is that it should have mentioned that the breaking records is for large scale batteries like grid storage and for EV batteries. Most of the many stories about this make it clearer that they are talking about the big batteries.

The graph is showing all types of batteries I believe, and that baseline is largely small batteries.

[loeg]

It would be totally fine to put one of those articles as the associated URL with this headline, just not the St Louis Fed chart. The HN guidelines call for HN headlines to use the same headline as the linked article, not one made up out of whole cloth. An article using this headline would likely provide additional context and detail that a simple chart does not.