Based upon the East Penn website, they currently offer 3 grades of DEKA flooded lead acid batteries: Standard, Gold & Ultimate (in ascending order). This correlates with the EverStart Value, Plus and Maxx grades sold at WalMart. I can't attest for all of the BCI Group sizes, but the common 24F size Everstart Value & Plus batteries are physically identical in construction & weight (38.7 lbs.), while the Maxx battery has more lead plates (44.4 lbs.) & 750 CCA. The Value battery has a 1 year warranty and is rated for 585 CCA, while the Plus battery has a 2 year warranty and is rated at 600 CCA. However; the 24F Value & Plus batteries both measure 650 CCA when new. Practically speaking, you are paying $40 more for the Plus battery to extend the warranty by a year. As such, I only buy the EverStart Value line batteries for my vehicles, but the wife gets the Maxx battery for peace of mind.