AGM batteries are the best by far. Try one and you'll never go back to traditional "flooded" type batteries. No more corroded terminals, no more acid damage to sensitive electronics near the battery (why does Chrysler insist on installing the ECM, fuse box, and relays next to the battery anyway?) They are quite a bit more expensive, but when you're trying to start your car on a -10 morning (like tomorrow morning here in Iowa) clean battery terminals are invaluable! Install it and forget it. The Orbital I purchased ten years ago still works! The Sears DieHard Platinum (built by, I believe, Odyssey) is a very powerful battery. Synthetic oil is also a good choice for -10 mornings!