Differences

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--- electrical:solar:shallow_cycling [2023/02/06 12:43]
frater_secessus [single voltage charging]
+++ electrical:solar:shallow_cycling [2023/04/08 13:18]
frater_secessus [components]
@@ Line 40: / Line 40: @@
   * vehicle with starter battery (you already have this!)
   * simple [[http://amzn.to/2z8Sd8Y|10A controller **with configurable setpoints**]].  The controller should be mounted in a location easy for easy access if the built-in USB ports are going to be used.
-  * small solar panel; 100W polycrystalline [[https://amzn.to/2Vi37Xhlike this one]] would work well.  Home Depot and others have sales on 100w panels for as low as $73.
+  * small solar panel; 100W polycrystalline [[https://amzn.to/2Vi37Xhlike this one]] would work well.  Home Depot and others have sales on 100w panels for as low as $73. If you are using a PWM controller a low Vmp spec is preferable.  With MPPT a higher Vmp is preferable.
   * connector of some kind if panel is mounted off-vehicle;  cable gland if the panels are mounted on the vehicle and the wire is passed through the
   * wiring from panel to controller and from controller to starter battery

RV and vandwellers wiki