My coach doesn't care one bit who's name is on it's batteries.
Sam's club or Walmart has a 2 year, free, full replacement, policy- no questions asked-
I've had mine for seven years now. And yes, I put one to two ounces of pure mineral oil in each cell when they are new. Top them off about every 3-4 months with distilled water. Almost no gassing or corrosion.
2002 Newmar Mountain Aire, 37', 3778, W-22, 8.1 Vortac, Ultra Power upgrade, CAI (cold air intake), Taylor wires, colder plugs, Koni shocks.