Small Battery Tray: It is compatible with 12V 6ah-15ah and 6V 7ah-12ah batteries. Its compact design features a sturdy adjustable lashing strap that securely and safely keeps the different-sized batteries in place. and Versatility: Constructed from Aluminum with a black anodized finish, while the hold-down Lashing strap adds 1.45 oz. Easy to Install: With predrilled slots and screw holes, you can easily bolt or screw the tray onto surfaces, including boats, kayaks, ATVs, motorcycles, jet skis, generators, canoes, lawnmowers, and more. (SCREWS NOT INCLUDED) Secure Storage: The strap keeps batteries in place, preventing them from rolling around or being misplaced. It also ensures easy portation and storage. (BATTERIES NOT INCLUDED) Long Lifespan: The aluminum material is to and rust, which means less time spent on maintenance of battery mount and the ability to withstand harsh conditions. Colour: Black Material: Aluminum+Nylon Fixing Strap Package Contents: 1 x Small Battery Tray 1 x Hold-Down Strap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.