Originally Posted by nothermark
Thanks. I had not found that size change.
FWIW I'm trying to figure out if the Duracell batteries from Sam's Club are close to as good as the Trojan or Interstate equivalents for roughly half the price. They might be as Sam's avoids 1 or 2 levels of the distribution chain.
I have had the Duracell Group 31 AGMs for three years and would recommend them over flooded batteries. They require really no maintenance. Dont be fooled by the Duracell branding, they are made by East Penn - a very reputable battery manufacturer.