T-H Marine's Dual Battery Holder tray holds two 27 series deep cycle batteries in the tightest of spaces! By placing the batteries side-by-side in one tray, the Dual Battery Holder eliminates extra space and eliminates the need for individual fasteners. It includes a poly strap with a quick-release buckle that makes installation and removal easy. Especially if you're running dual trolling motor batteries, this is the battery tray for you!