The XRJ04 comes equipped with a long 1-1/4” stroke length to increase cutting speed. Combined with a two-finger variable speed trigger, electric break, and tool-less blade changes for more efficiency, making it ideal for any job site. 
 
Makita-built variable speed motor delivers 0-2,800 strokes per minute and a 1-1/4" stroke length for faster cutting
"Tool-less" blade change system allows for faster blade installation and removal for increased productivity
Refined crank mechanism design minimizes blade deflection and reduces vibration
Variable speed trigger for added convenience
Compact and ergonomic design at only 19-1/8" long
Weighs only 8.3 lbs. with battery for reduced operator fatigue
Rubberized soft grip handle provides increased comfort on the job
Large two-finger trigger for operator convenience
Electric brake for maximum productivity
Extreme Protection Technology (XPT™) is engineered for improved dust and water resistance for operation in harsh conditions
18V LXT® Lithium-Ion 5.0Ah battery BL1850B, features an integrated L.E.D. battery charge level indicator
18V LXT® Lithium-Ion 5.0Ah battery BL1850B provides up to 50% more run time per charge*
18V LXT® Lithium-Ion 5.0Ah battery BL1850B reaches a full charge in 45 minutes or less
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
3-year limited warranty on tool, battery and charger
Only use genuine Makita batteries and chargers
*compared to BL1830