The EGO POWER+ 21-inch Select Cut XP Mower with Speed IQ self-propel technology digitally senses and adapts speed to your stride， no levers or dials to adjust. Plus， an industry-first digital display integrated into the handlebar provides real-time information to monitor battery charge status， blade speed， and self-propel mode in real time. The 21-inch Select Cut XP Mower with Speed IQ delivers 8.3 foot-pounds of cutting torque， power that exceeds gas without the noise， fuss， or fumes. The Select Cut Multi-Blade System is equipped with three interchangeable lower blades: the Mulching Blade， High Lift Bagging Blade， and Extended Run Time Blade. The Mulching Blade comes installed on the electric lawn mower and is ideal for weekly mulching， giving you the mulching quality expected from a high-end gas lawn mower. The High Lift Bagging Blade provides extra suction ideal for bagging， leaving your yard free of clippings. The Extended Runtime Blade provides an optimal balance of cut quality and runtime for all around performance. The Upper Blade is used in combination with the lower blade chosen to slice the grass into fine fragments， greatly enhancing cutting performance with all grass types. This cordless lawn mower harnesses the power of the industry's most advanced 56V ARC Lithium batteries to deliver up to 90 minutes of run time on a single charge with the included 56V 12.0Ah ARC Lithium battery. Experience Power Beyond Belief with the EGO POWER+ Select Cut XP 21-inch Lawn Mower with Speed IQ.