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. Zatî verilerin kanuna aykırı olarak emeklenmesi sebebiyle zarara uğraması halinde zararın giderilmesini istem ika, haklarına sahiptir. Graphene batteries waiting for link from Web 2.0 Blogs (331)