When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
If it sits for weeks at a time w/o a battery tender, AGM's such as Optima are a very good but pricey choice.
If you use a battery tender (any smart tender) and don't want to spend an extra $100, then look for a flooded (wet) battery with the longest free-replacement (not pro-rated) warranty.