Update.. 3 weeks in i find this fell in pump tank after i took basket out to ckean it. Anyone have an ideal what part of pump is going to expolde now ? Impossibleto suck up thru basket with little power this has. Reviewing JP21-19 / 900 I finished installing today. Power cord is 6 ft not 9, motor is quite as described, but over rated with Power description. I plumbed separate with its own cartridge filter and valves to keep th AC motor system as back up. The DC motor same HP AC sister has no where near to Power or pressure output. The motor can't handle the Baracuda cleaner attachment as it has no power to do skimmer and Floor cleaner. As far as panels. I used 10 100 watt 12 volt with 2 series of 5 and parallel together with 110 v to control and 1000 watt. Prime as mentioned and works like a charm.. just 1/2 the gut force as the 1 hp AC motor. Time will tell on long-term life, and the next week will tell on circulating / cleaning during day with AC motor off line. Just have to find a low pressure floor cleaner and compare KW use for October vs others. Project was fun. All in just above $2k to take pool pump system off grid 80% of time with AZ sun. So research, ask questions and jump in the water. Use common sense and build all safety systems into your project. Update day 4: when the motor gets full power (sun) say around 10am am (October in Arizona) as panels face south it's moving good until around 4pm or until the west panel in the row starts to shade. Still not enough as AC motor, but good. Started making a noise from the impeller housing this morning before going full power. I'll watch that as it may just be due to about 30% power and circulating only. So changing from 3 to3 1/2 stars (if I could). I'll update after the first month use. We did have a monsoon storm, and used the AC motor and sand filter for an hour to clean it up ac DC system couldn't handle after storm clean up of pool.
Gramps 
