Makita BVR450 18-Volt LXT Lithium-Ion Cordless 4-Foot Concrete Vibrator Kit Makita-built motor delivers 13,000 vibrations per minute (VPM) to help increase concrete strength Up to 25 minute run time under load Compact, ergonomic design at only 8.2 lbs. for reduced operator fatigue Tool not equipped with Star Protection- only compatible with Makita 18V LXT 3.0Ah battery (BL1830) Makita-built motor delivers 13,000 vibrations per minute (VPM) to help increase concrete strength Up to 25 minute run time under load Compact, ergonomic design at only 8.2 lbs. for reduced operator fatigue Makita LXT Lithium-Ion battery and 30-Minute Rapid Optimum Charger produces 430% total lifetime work with 2.5X more cycles 3-year warranty on tool; 1-year warranty on batteries and charger