I bought this because I thought for $80, it was worth a try and I have used a hand pump backpack for years and this year it was just killing my elbows. At the same time I had ordered a backpack sprayer from the big box HD store. It was the yellow and black one and cost over $200.
When I got the vevor, it was easy to put together and I was amazed at how light it was compared to the hd one which weighs over 10# with nothing in it! It was so light, I thought that it would never hold a charge for long and the battery would be too small. I was wrong. I charged the unit and filled it up and sprayed it empty. Then I filled it up and emptied it again. On one charge. It was still charged but I was done spraying. 2 full tanks on one charge? That is phenomenal. I came back to the sprayer a week or so later and before thinking of charging, I mixed up 2 gallons and off I went. It was still charged!
Also, the power of this sprayer is great. The mist nozzle gets a plant covered in seconds. I tried the stream nozzel and it propelled about 15 feet. Pretty impressive.
The bad part of the sprayer are the pads on the straps. They are hard and cut into the armpit shoulder area. I put seatbelt guards on them for padding. The unit also only has gallon marks on one side and they are barely visible. Thank goodness for sharpies.
Overall, I like this sprayer so much, I am thinking of buying another as a back up. The only reason I have not is I don't know if the rechargeable battery will go bad with prolonged non-use.
drbboyd 
Bville41 
Ian A. 
Vance 
