Tim, Compared to the price of a useful back pac that sounds like a great bargain for a more capable system.  For a commercial landscape spraying it may still be small and need a hose reel,  The 12 volt is useful.  What about keeping the system aerated?  Bob
Tim Livingstone <tlivingstone@jollyfarmer.com> wrote:
I used a backpack sprayer last year, but it was a lot of work.  
Planning to use a lot of tea around home this year, I decided to 
invest in a system that was easy to use and productive.  We have 
had good success with a 16 gallon sprayer from NH Northern.  It 
has a diaghram pump capable of 1.8 gpm and runs from a 12 volt 
battery.  These are designed to go on an ATV, but I put it on a 
wagon and purchased a small car battery for it.  The battery will last 
for quite a few tank loads on one charge.  The only modification we 
needed to do was to remove the screen from the suction line in the 
tank.   Sprayer costs $125-$150 USD plus cost of the battery.  We 
have used these sprayers in our greenhouse operation and found 
them to be very durable and dependable.
Tim Livingstone
Jolly 
 Farmer
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