Editorial Product Review:Amazon.com:This battery-powered sprayer delivers a consistent 20 psi without any hand pumping, thanks to Black & Decker’s 7.2 volt VersaPack battery system. Big, rugged wheels take the strain off your back, allowing you to tote 3.5 gallons of liquid with ease, delivering insecticides, fungicides, sealers, etc. through a tough, six-foot hose and a choice of fan and cone nozzles. The unit comes with two batteries, so one can charge while the other’s in use. The curved, ergonomic handle telescopes from 35 to 37 inches for comfort. The tank detaches easily for cleaning, and the wand clips to the handle for neat storage. Lots of nice innovations to make chores easier.
--Kris Jensen-Van Heste
Buyer Reviews
Average Buyer Rating:
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Sprayer Rocks
Pros:No more sore muscle joints from using a hand pump model,
or a backpack sprayer.Plus your neighbors will be Jealous.
Cons:Wheelbase needs to be a little wider, Better tires
would be nice.
Comment;I purchased two in 2002. I own 2 1/2 acres
and put them to use every summer (Round-up for one).
(Malathion for the other). This item Rocks
Customer Rating: 
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VP450 Sprayer
Works find on level ground. If ground isn't level unit will turn over. Wheel base needs to be wider to correct problem.
Customer Rating: 
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A huge time saver!
I've used this sprayer twice and I think it is great. I've cut my weed spraying time from over two hours to about an hour. I also think I am using less weed killer than I did with my old tank sprayer. I have about 1/2 acre of avocado trees and need to spray the weeds under them frequently. I didn't realize how much time I spent pumping my old tank sprayer and how slowly it sprayed as the pressure dropped. The constant 20psi of this sprayer really saves a huge amount of time. I've never run the batteries down and use the entire tank contents. The only improvement I would like to see is larger wheels. I occassionally have to drag it over the rougher terrain of my grove and it also is easy to tip over. Even still, the current design is better than lugging my old tank sprayer around and much more efficient.
Customer Rating: -
Best sprayer around
This is by far the best sprayer available for home & casual use. It is effortless & easy to use. Having tried most hand-crank sprayers sold in Home Depot & Lowe's I would say that this is head & shoulders above any of them. Would recommend it to anyone who works around the home garden.