Echo DPB-5800TD2-2 56V Backpack Blower w/ Dual Port and (2) 5.0 AH BatteriesEcho DPB 5800TD2 2 56V Backpack Blower w Dual Port and (2) 5. 0 AH Batteries The Echo eFORCE DPB 5800T revolutionizes the blower segment by expanding the power and versatility of the Echo 56V battery platform, resulting in a mid range backpack blower tailored perfectly for homeowners and light commercial applications. WORLD'S FIRST AND ONLY 3 BATTERY PORT BACKPACK BLOWER Features: Powerful brushless motor Provides gas like performance LED Grip Control