The XAG04 has been equipped with Makita’s brushless motor for increased power, speed, and longer tool life.  Matched with Makita’s Automatic Speed Change Technology which adjusts speed and torque for optimal performance, this grinder is made for a wide range of applications.
 
Automatic Speed Change™ technology adjusts speed and torque during operation for optimum performance
Active Feedback-sensing Technology (AFT®) turns the motor off if rotation of the wheel is suddenly forced to stop
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
Compact and ergonomic design at only 14-1/4" long
Weighs only 5.6 lbs. with battery for reduced operator fatigue
Rubberized soft grip provides increased comfort on the job
Slide switch with lock-on for operator convenience
3-stage L.E.D. gauge indicates battery charge level
Soft start suppresses start-up reaction for smooth start-ups and longer gear life
Spiral bevel gears for smoother rotations and a more efficient transfer of energy
Anti-restart protection engineered to prevent motor start up when battery is inserted with switch locked on
Efficient internal cooling is engineered for optimum performance
Wire mesh intake covers are engineered to prevent debris from entering motor
Equipped with Star Protection Computer Controls™ to protect against overloading, over-discharging and over-heating
Rapid Optimum Charger communicates with the battery's built-in chip throughout the charging process to optimize battery life by actively controlling current, voltage and temperature 
Rapid Optimum Charger has a built-in fan to cool the battery for faster, more efficient charging 
Makita technology delivers category-leading charge time so the battery spends more time working and less time sitting on the charger
Compatible with Makita 18V Lithium-Ion batteries with a Star symbol 
Extreme Protection Technology (XPT™) is engineered for improved dust and water resistance for operation in harsh conditions
3-year limited warranty
Only use genuine Makita batteries and chargers