The Solo 411 Backpack Pressure Sprayer is carried on the back and has an electric mechanism so you don't need to stop and pump pressure back into the tank manually. Instead the included rechargeable lithium ion battery automatically maintains the required pressure so you can get on with spraying without interruptions.

Solo 411Li Rechargeable Backpack Chemical Water Pressure SprayerThe sprayer is designed with commercial users in mind and has a robust build quality to ensure a long service life - however it is lightweight and fitted with padded shoulder straps so it can be used comfortably. The 11.1v lithium ion battery is able to power the sprayer for around 170 minutes of continuous operation when fully charged.