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. Cat® Outdoor Power Equipment utilizes Brushless 2.0 motor technology and 60V Max batteries that run cooler and charge https://cocuk-masallari74.wikijm.com/1123284/temel_İlkeleri_catpower_akülü_vidalama