Battery Compatible Vokoroad Cordless Concrete Vibrating Tool is for Makita 18V LITHIUM-ION battery, such as BL1860 BL1850 BL1840 BL1830 BL1815 and more. The Cordless Handheld Concrete Vibrating Tool is easy to use without the hassle of cords. It is a portable cordless concrete vibrator that can be used for efficiently eliminate bubbles, reduce the risk of cracks, increase concrete density, and save concrete usage. Powerful Concrete Vibrator Vokoroad electric concrete vibrator is equipped with a 1200W motor that can generate 5500 vibrations per minute, effectively removing air from the concrete. The concrete vibrating rod has a shaft length of 3.8FT, which helps to improve efficiency in large-scale work. Easy to Use Vokoroad handheld concrete vibrating tool is designed to be simple and easy to operate.