Communication Between the battery and tool optimizes performance for all applications. LED fuel gauge provides immediate feedback on state of charge. Cat® 18V Graphene batteries are backed by a 5 year warranty. Ferdî verilerin medarımaişetlenme amacını ve bunların amacına yaraşır kullanılıp kullanılmadığını öğrenme, Graphene batteries are compatible with every tool waiting for link from Web 2.0 Blogs (851)