Originally Posted by azn_rice_man
Didn't Costco recently change their battery suppliers?
I've got a Kirkland one in my brother's Subaru and so far, it's held up, but it hasn't been that long to really compare.
You could be right, I have no idea. It's been a while since I've bought one...they just keep going.
As an aside, regular charging is necessary for prolonging the life of any battery. Get a charger that has a setting specifically for 12v deep cycle.