The Dewalt DCG414N 54V grinder delivers true grinding performance for heavy-duty construction and metalworking applications. You can now complete the toughest jobs with no trailing cables. It runs on the Worlds first 18/54V convertible battery pack system giving you raw power anywhere and the dawn of a new era in cordless power tool technology. This will provide in excess of a full day's runtime on a single charge for most users. The potential for this technology is limitless for each and every trade with game-changing levels of performance. The DCG414 has a compact gear case so it's not too bulky for tight spaces, an easy keyless guard for quick adjustments and an improved non-slip grip for comfort.