Built with your professional needs in mind, the SGA 85 sprayer is the first battery-powered sprayer in the Stihl AP Battery System. Featuring strong Viton seals for durability and reliability, an easy-to-use diaphragm-style pump, and a leak-resistant design, you can count on the robust construction of the SGA 85 for the long haul. This professional sprayer provides a high working pressure in a range anywhere from 14.5 to 87 psi, easily controlled by a variable working pressure trigger. When using the AP 200 battery, the SGA 85 boasts 1,000 minutes of run time on a single charge.