Foliar applications become fun with this high performance outfit! The 15 litre (4gal) sprayer is designed to fit comfortably on your back. Fully variable operating pressure from 30 to 150 psi with the turn of a dial makes professional results possible for the discerning gardener. Deluxe dual fan nozzle with adjustable cone ensures excellent coverage. The BP-4Li will run for up to 1 hour on a fully charged 18 volt, 3.0 Ah Makita battery and recharge in 4 hours. Comes with charger and one battery.