Control, comfort, and convenience are the hallmarks of Jacto PJB cordless battery powered backpack sprayers. Offered in 4- and 5-gallon versions, the PJB gives users finger-tip control of spray pressure and volume. The lightweight design of this Jacto backpack sprayer makes it comfortable enough for all-day use, whether on foot or rolling in the ATV. The lithium-ion battery power is easy to swap and provides up to 12 hours of use. Jackto's PJB-16 and PJB-20 offer the ultimate herbicide deployment system for uses ranging from ranching to gardening. Jacto PJB v2020 Battery-Powered Backpack Sprayer