I had 2 dead batteries yesterday. The Inte
rstate from the skid steer recovered(so far).
The Subaru did not. Exide from Costco, 4+ YO, and the car was sitting for a few months. Got our money out of that one. I'm going to head out and pick up another, $99 + core.
I've been using this charger for the last few years, it said both batteries were 100% :
https://smile.amazon.com/gp/product/B089767MGQ/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&th=1
I was using a Schumacher 6A automatic charger for the past 10+ years, think I'll go back to one of those.