I think you are mis-interpreting some of the comments made here - some of us are fairly knowledgeable and experienced in certain aspects of boating and cruising. When a VERY experienced cruiser, such as you, makes a definitive statement, e.g. 24 - 28 amps from a 250 watt solar array, that contradicts our experience and understanding of theory we immediately want to know what we are doing wrong and how you were able to accomplish an important technical feat that has escaped our grasp and/or abilities. When you blow off an inquiry by saying "not the nit picking that seems to go on here.That is the reason I seldom post anymore" you are defeating a primary purpose of this web site - sharing hard earned technical information.

I spent many years studying, installing, testing, and using solar panels. The ability to get 28 amps / nominally 330+ watts out of 250 watts of solar panels would be a significant addition to my knowledge. That is why I asked my indirect question - how, in the same location did you get the same power output from 250 watt solar panel power rating as did I with 500 watts?

When my panels were making 30.5 amps / 14.4V - the sun was directly overhead - there were NO shadows on the panels - moving or adjusting panels can not improve on a sun directly overhead. I was charging batteries and running the reefer at the time so there was plenty of load to pull the amps from the panels.

Two other boats that I spent a lot of time on had 2x125 watt panels that were fully adjustable - while on the Mexican Gold Coast (18 N to 20 N) neither of those boats ever saw more than 15 amps at 14V flowing from their panels.

I am not trying to cast doubt on your claim - I am trying to understand what I, and my two very technically inclined cruising friends, are doing wrong?