The Worx NITRO Power Share Brushless Backpack Blower is powered by (4) 20V 4.0Ah Power Share batteries for 80 total volts of power and performance. This blower is ideal for larger yards and small to medium sized commercial applications. Featuring variable speed control . plus turbo . to provide more control in tight spaces or large areas. This blower doles out 800 CFM of air volume to move more leaves and debris than standard battery-operated blowers in an innovative compact design that is easy to maneuver. The brushless motor offers 50% more run time . 25% more power . and 10% longer life over tools with a brushed motor design. The dual air-intake pulls in additional air for greater volume output and the sonic turbine fan technology delivers forceful . high-capacity air volume for even greater performance. Another benefit of this blower is that it comes with Base Camp . a removeable power source that not only powers the blower . but charges all 4 batteries at once and can be use with other Worx 80V tools. And the included (4) 4.0Ah batteries can be shared with 75+ other outdoor power . lifestyle . and power tools in the Power Share family. This blower is part of the Worx NITRO line of tools . a line of high-performance tools that offer greater performance and runtime than standard battery-operated tools . for users and applications that demand more from their tools.