2007 Prius Touring currently 207K and purchased 13 months ago with 195K. Previous owner(s) had installed a now defunct Nexcell Project Lithium Jack's special highly touted lithium pack at some point. Not long after I purchased it I got a red triangle of death with a failing battery. I ended up buying a new OEM Panasonic pack from Toyota and installed it myself. Currently getting around low 40 mpg.
You created a similar thread 1 and 1/2 years ago.https://priuschat.com/index.php?posts/3489307 Let's see who responds to this new thread.