Echo's DPB-5800TD2 harnesses the eForce 56V power.DPB-5800TD2 FeaturesPowerful brushless motor - Provides gas-like performanceTurbo button boosts performance - To 195 MPH, 795CFM and 25 NThree battery ports - Provides flexibility to engage 1, 2, or 3 batteries simultaneously for extended run time and optimal performanceHeavy-duty padded backrest with chest strap - For all-day comfortVariable-speed throttle with cruise control - Offers operator convenience and power controlSpecificationsALL SPECIFICATIONS ARE PUBLISHED BY ECHO ON THE MANUFACTURER WEBSITEType BackpackAir volume at nozzle up to 795Motor BrushlessMaximum Air Speed (mph) at nozzle up to 195Battery 2 x 56v 5ahWeight without batteries(lbs) 15Newtons (N) at nozzle 25Warranty 2 yr commercial / 5 yr consumer