Take advantage of more power with our 20 V MAX* brushless tools with FLEXVOLT? Advantage? tool technology. The grinder has up to 54% more power when paired with a DCB606 FLEXVOLT? battery vs a DCB205 20 V MAX* battery. The brushless motor delivers 1550 W out and up to 9000 rpm. This grinder is part of our PERFORM and PROTECT? product line with KickBack brake and E-CLUTCH? system. Battery and charger sold separately.