From: muratlanne@gmail.com   
      
   "Jim Wilkins"  wrote in message   
   news:pudtda$52h$1@dont-email.me...   
   > ...   
   > The better test will be how it performs with a more deeply   
   > discharged battery bank and all of my panels. That will have to wait   
   > for a forecast of a clear sky.   
   >   
   > -jsw   
      
   Clear sky, discharged battery. The sun is low at 9AM in December at 42   
   North, so I don't expect the 100% rated power I measured earlier.   
      
   The 2s2p array of 100W panels gave 9.7A from a PWM controller, 11.6A   
   from this MPPT. That's ~20%, close to the value of adding one panel   
   instead, though I'd need two for this 24V bank. It looks like I'm at   
   the break-even point where the cost of larger wire and space for   
   panels drive the decision whether to buy MPPT or more panels.   
      
   -jsw   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)