I have the same issues as y'all mention. 2015 Ford Fusion Energi Plug in Hybrid. We only get 6 to 10 miles on a charge, several years ago it used to charge up to the mid-20's.
I have found a place online that does do hybrid battery replacements. Not cheap, but it's an investment. ROI FTW! ;)
https://www.greentecauto.com/
Hope this helps someone out!