Greenworks 40V 150 MPH Cordless Sweeper, 4.0 AH Battery Included 24212 High Performance G-MAX 40V Lithium-Ion Battery delivers fade-free power with no memory loss after charging Variable speed delivers wind speed up to 150 mph, perfect for cleaning debris and leaves off hard surface areas and patios Additional speed control on Sweeper tip offers better sweeping and gathering capabilities Lightweight robust design for user efficiency and ease of use Compatible Only with G-MAX 40V Battery Models 29462 and 29472