Our CNC machined aluminum battery mount is designed to accommodate Optima, Odyssey, and Group 34/78 batteries. Made out of 6061-T6 billet aluminum, the entire battery mount is a simple, strong, and great looking way to hold your battery anywhere. We provide 6 mounting holes to give you added flexibility. The dimensions of the battery mount are 11 1/2" X 8 1/2" X 7 1/2" tall.