http://www.digikey.com/techxchange/index.jspa?view=discussions Most recent forum messages en Sun, 03 Jun 2012 16:56:15 GMT Jive SBS 4.5.4.0 (http://jivesoftware.com/products/clearspace/) 2012-06-03T16:56:15Z en http://www.digikey.com/techxchange/message/4907?tstart=0#4907 <!-- [DocumentBodyStart:486b5e3b-0506-40e1-960d-f2a4d43b843c] --><div class="jive-rendered-content"><p>Were I you, I'd put a rechargeable battery inline to smooth and regulate the voltage to the pump. Let the solar panel keep the battery topped up. </p><p>You never know when you'll need to run the water pump at night, and for that you need stored charge.&#160; </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>750 watts is 1 HP.....figure your draw based on the HP of the motor and check the output of your solar panel to get an idea of if and how long </p><p>the solar panel will power the pump.&#160; </p><p style="min-height: 8pt; height: 8pt; padding: 0px;">&#160;</p><p>Raygun&#160; </p></div><!-- [DocumentBodyEnd:486b5e3b-0506-40e1-960d-f2a4d43b843c] --> Sun, 03 Jun 2012 16:56:15 GMT noreply@digikey.com http://www.digikey.com/techxchange/message/4907?tstart=0#4907 2012-06-03T16:56:15Z 11 months, 2 weeks ago 0