Metabo 18V 6" Cordless Angle Grinder Bare COMPLETE PORTABILITY: Eliminate the cord, not the power The advanced and intelligent cordless technology, featuring AIR-COOLED charging, Electronic Single Cell Protection, Overload protection 4-LED CAPACITY INDICATOR: Shows battery charge status PATENTED AIR-COOLED CHARGER: Quickly cools battery allowing for up to 30% faster charge times while significantly increasing battery life PATENTED AIR-COOLED CHARGER: Quickly cools battery allowing for up to 30% faster charge times while significantly increasing battery life