Using Protexus Electrostatic Sprayer for the first time

Using the Protexus Electrostatic Sprayer, it has some good features, such has quick release hose, tank has capacity of 2.25 gallons. The gun has 3 positions to select from - fine 40 microns, then 80 microns cone, 100 microns fan. Battery life Indicator🔋 has 4 lights, It took me an hour to do the job and there wheRE 3 LIGhts LEFT, SO ITs ABout RIght- 4 HOurs OF USe PEr CHarge. THe BAck PACk IS VEry COMfortable It's Cushioned.