I also recommend the Wolfbox 4000A jump starter. I just got mine and hadn't had a chance to unbox it. So here's a few pics of me doing so.
Comes with a nice travel case:
Bright Light (Blinks for Safety or Solid)
USB Charging Support
Here's where I got mine:
https://amzn.to/4hLakXX
Just buy these instead. They're 4 for $9 and they're essentially the same exact thing, right down to the part number printed on it. For $2.25 a each, I'll take the peace of mind and just replace them.
https://amzn.to/3PGXwG2
You're talking to the guy who spends his Sunday mornings watching Horsepower TV on Motortrend, despite knowing how to do most of the stuff they show, so I get it. Also, I lost my dad at 19, and can relate to you there. It sounds like you had the benefit of many years watching and learning from...
Just found out I have Monday off. Thinking about doing an impromptu ride through JW Corbitt (West Palm) next Monday. Any takers? Probably head out there late morning.