The sprayer is a chemical sprayer product powered by a 20V rechargeable lithium-ion battery (sold separately) and allows a user to wear the backpack and continuously spray liquids.

The Lobeline Battery-Powered Sprayer is on sale for $40, which is $90 off the original $130 price tag. It boasts over 120 five-star ratings at Amazon, and shoppers say it’s “a winner” and ...