I just read this article after having (what I thought) was a fair understanding of the topic of batteries and maintainers, having successfully stored and maintained both my Jaguars for extended periods without issues (both remain today with the original batteries that came from the factory without issue).

I now realize (as with many topics) “knowledge” is a very relative thing....

Modern Batteries and Winter Storage Headaches - Automobile https://apple.news/A_EJvvTZCR_ie4ZcWZevVNg

 

That article makes good points about Li-ion batteries and compatibility with battery maintainers.