JR Products - Universal Battery Strap with Hardware - 1" x 54" - 17544. The JR Products 17544 Universal Battery Strap with Hardware is constructed of woven polypropylene and is mildew, shrink and UV resistant while also resisting acid corrosion. The durable HD plastic snap buckle helps to secure most battery boxes or batteries. Includes metal mounting hardware. The 1" x 54" strap can be cut for shorter uses.. Features:. Constructed of woven polypropylene. Mildew, shrink, and UV resistant - Resists acid. Durable HD plastic snap buckle. Secures most battery boxes or batteries. Includes metal mounting hardware.