Upgrading My RYOBI 480ex Riding Mower Battery to LiFePO4

Dear reader, I d like to take you on a journey-- the same one I have just been on-- that started with trying to figure out why my electric riding lawnmower (the RYOBI RY48111, confusingly also named the 480ex, suddenly stopped working. Let me start by saying that I love that mower. Yes, it s more expensive than a gas-powered one, but I never have to run out and buy ethanol-free dinosaur juice that…