・Powerful Makita-built electronically controlled BL Motor delivers 5,000 RPM for faster cutting and ripping ・Automatic Speed Change technology adjusts cutting speed and torque during cut for optimum performance ・The BL Brushless Motor eliminates carbon brushes, enabling the BL Motor to run cooler and more efficiently for longer life ・Efficient BL Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per charge ・The electronically-controlled BL Brushless Motor efficiently uses energy to match torque and RPM to the changing demands of the application