OUTPOWER: Makita-built brushless motor along with 40V max XGT¨ battery combine to deliver powerful grinding and up to 60% faster cutting speed than predecessor models* OUTSMART: Electric brake stops the grinding or cut-off wheel in 2 seconds or less for maximum productivity OUTLAST: Electronic current limiter helps protect the motor from overload in high torque application Active Feedback-sensing Technology (AFT¨) turns the motor off if rotation of the wheel is suddenly forced to stop Anti-restart protection engineered to prevent motor start up when battery is inserted with switch locked on Large paddle switch allows for power start press points at multiple grip positions Quick guard rotation allows easy tool-less adjustment for increased productivity 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 Reinforced metal gear housing engineered for maximum job site durability Wire mesh intake covers are engineered to prevent debris from entering motor Extreme Protection Technology (XPTª) is engineered for improved dust and water resistance for operation in harsh conditions Rubberized soft grip provides increased comfort on the job Compact at only 16-1/8" long; ideal for tight spaces The digital communication within XGT¨ optimizes performance to provide up to 2X longer sustained power under heavy-load applications The digital communication within XGT¨ actively monitors and protects against overload, over-discharge and overheating XGT¨ Tools and Batteries are designed with a multi-layer contact interface for more constant power delivery to take on high-current demands XGT¨ Batteries feature rigid rails with impact-resistant construction to secure the battery to the tool during high-demand applications The XGT¨ Rapid Charger with dual-fan design circulates air through the battery to cool the battery and circuit board quickly for faster charging The XGT¨ Rapid ChargerÕs digital display indicates battery charge level (-80%, +80%, 100%) The XGT¨ Rapid ChargerÕs built-in chip thoroughly communicates during the charging process to control current, voltage, and temperature for more efficient charging 40V max XGT¨ Lithium-Ion 4.0Ah Battery (BL4040) reaches a full charge in 45 minutes or less Compatible with Makita¨ 40V max XGT¨ Lithium-Ion Batteries Only use genuine Makita batteries and chargers 3-year limited warranty on tool, battery and charger *Makita XAG04 cutting #5 (5/8Ó) rebar