Allot of folks are quick to jump on the AGM bandwagon, however bear in mind that they require a lower charging rate than typical Lead-Acid batteries and can be overchagred on Long drives. Usually best served as an accessory battery, Aux battery, or a weekend warrior battery for high accessory loads(winching, amp, heated/power seats, aux lights, etc.) Check this link out for Battery Basics. http://batteryuniversity.com/learn/
