Here is an interesting review site. Our local Home Depot carries the Grape brand, and I could pick it up locally with no shipping cost. Looking at the Grape 390 and the Kyocera 315: the Kyocera would be less expensive, and actually put out about 1 more amp when hooked up to a 12 volt system, but I'm not sure if I could find it locally. Shipping cost might make it more expensive than the Grape.
http://solar-panels-review.toptenreviews.com/grape-solar-390w-review.htmlPianotuna
I will mention most things here, but I also have other qualified sources. The 2025-RV was $151, has its own enclosure and does more than I need. The shunt was $28.It was recommended by two sources, one who has been vandwelling for 20 years and installs systems for others (you may know Bob), the second an electrical engineer who designs and repairs systems. Xantrex linklite was also mentioned. But I Also value the experiences of people here, who can tell me what has worked for them. Each has unique experiences in the field, with their own individual requirements.
