The Makita 18V LXT Lithium-Ion cordless 4 ft. Concrete vibrator (model XRV01Z, tool only) delivers more run time with maximum vibrations per minute (VPM) for strengthening concrete when running a corded tool is not an option. Its part of Makita's expanding 18V Lithium-Ion series, the worlds largest cordless tool line-up powered by an 18V Lithium-Ion slide-style battery. Makita 18V Lithium-Ion batteries have the fastest charge times in their categories, so they spend more time working and less time sitting on the charger. For improved tool performance and extended battery life, Makita created STAR Protection computer controls. STAR Protection is communication technology that allows the star Protection-equipped tool and battery to exchange data in real time and monitor conditions during use to protect against overloading, over-discharging and overheating. For increased versatility, the tool can also be powered by Makita 18V LXT and compact Lithium-Ion batteries with the star symbol on the battery indicating STAR Protection inside. The XRV01Z features a Makita-built motor that delivers 13,000 VPM with up to 25 minute run time under load (18V LXT 3.0 Ah battery, sold separately), and a 4 ft. shaft (1 in. thick) for more effective leveling and removal of air bubbles in concrete. It weighs only 7.7 lbs. with high vibration and ergonomic features for top performance, with an ergonomic dual-directional switch allows adjustment to either horizontal or vertical positions for more user comfort. The XRV011's long run time, high vibration and ergonomic features are a perfect fit for concrete pros requiring a best-in-class vibrator for leveling and removing air bubbles in concrete and running a corded tool is not an option.