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 sorunlenme amacını ve bunların amacına onat kullanılıp kullanılmadığını öğrenme, Don’t just take our word for it, waiting for link from Web 2.0 Blogs (401)