The days of the struggle and shoulder pain of pull-starts are over! This LawnMaster No-Pull Backpack Blower features an electric push-button start combined with the power and reliability of a 31cc 2-cycle gas engine. Powered by a small 7.2V rechargeable lithium-ion battery, No-Pull technology provides up to 150 hassle-free starts on a single charge. In addition to the innovative electric start, the LawnMaster NPTBL31AB features a full crank engine that produces powerful 175 MPH air speeds and a max air volume of 470 CFM. Designed to fit all users, the shoulder, chest and waist straps are all adjustable. An anti-vibration engine mount and padded ventilated harness reduces fatigue and keep users comfortable during extended use. The convenient auto-choke feature allows the user to keep the backpack on between starts. This backpack blower also offers variable-speed control and a locking cruise control feature. The blower is comfortably balanced, weighing 18.5 lbs. This unit includes a 7.2V lihtium-ion battery and charger and carries a 3 Year limited tool and 2 year limited battery and charger warranty. LawnMaster recycles batteries with Call2Recyle.