No more pumping. The 5BP is a five liter battery-powered sprayer with four “D” batteries included. Rechargeable batteries can be used. One set of fresh batteries can spray up to 18 gallons of liquids. The 5BP features padded-shoulder straps, double telescoping wand that extends 16-inches to 35-inches, an adjustable nozzle and a thumb operated switch with three settings — on, off and reverse (draws residual water out of wand and back into tank).