How do I spray my lawn with a battery powered sprayer?

Looking to step up your game by picking up a battery-powered sprayer, such as the Yard Mastery backpack sprayer, but feeling a little skeptical about the "how-to"?

Check out this video from our fave lawn care nut, Allyn Hane, with great intel on how to get spraying and praying: 

Link to video: https://www.youtube.com/watch?v=DL6JcB3ic0c

Keywords: backpack sprayer, back pack sprayer, battery operated, battery powered, sprayer