Spray up to 50 gallons of lawn & garden or pest control chemicals before recharging with Chapin's 60124 4-gallon internal battery backpack sprayer. Use around your house, yard, fence lines and trees. Its 4-gallon poly tank has a 4-inch opening so it's easy to fill and clean after each use. The poly shut off has a lock-on feature to keep you spraying longer with less hand fatigue and its 24-inch poly wand allows you to reach a little further while working. 2-stage filtration system is included with a filter basket on the cap. Charging cord is included.