New 12v AGM Battery (Plus a Better Battery Hold-Down)

TL;DR - I had to put a new starting battery when my lights were left on by the facility that stores it in Las Vegas. I also took the opportunity to "capture" the battery a little bit better. A new custom extension bracket on my already-modified (because the original cracked) battery hold down. I mentioned this in my trip report, but I recently replaced my Northstar Group 24F starting battery with the exact same battery. Well, technically, it's a different battery and has a different brand label on it, but it's still manufactured by Northstar and has all the same…