I bought the RYOBI 18V ONE+ HYBRID TRANSFER PUMP. I love that it runs on the 18V batteries. It makes it really useful for small jobs. It also comes with a power brick so you can run it with AC power. I was thinking it would be great if we could run it on solar. Then you could use it off-grid for pumping shallow well water, pond aeration, or irrigation. In my tests it pumped 277 gallons/hour at ground level and 220 gallons/hour at a height of 90 inches.
For a test I hooked it up to two 100W flexible solar panels. Because the Vmp of the solar panels is 18.5V it's perfect for the range of a RYOBI 18V battery (15-21V). The pump took around 5.74A in my test. The solar panel Imp is 5.41A, so you need at least two 100W panels to run the pump.
I hooked it up to solar in two different ways. First I used an 18V recycled battery case and connected it to MC4 connectors. Then I ordered audio XLR plugs and wired it to MC4 connectors.
The only down side is that if a cloud passes over and the voltage drops to low, I had to toggle the on/off switch to get it to run again. I had hoped it would just start up again when the sun came out.
Things I used:
* RYOBI HYBRID Transfer pump model P750 ( [ Ссылка ] )
* Rich Solar 100W Flexible Solar Panel ( [ Ссылка ] )
* Renogy 100W Flexible Solar Panel ( [ Ссылка ] )
* Female XLR Audio plug ( [ Ссылка ] )
* MC4 10ft extension cables ( [ Ссылка ] )
* Solar Y branch MC4 connector ( [ Ссылка ] )
* MC4 connectors ( [ Ссылка ] )
* 14AWG stranded silicon wire ( [ Ссылка ] )
* security torx drivers ( [ Ссылка ] )
* wire stripper ( [ Ссылка ] )
* wire terminal crimper ( [ Ссылка ] )
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