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I haven't bought anything yet, so any suggestions would be appreciated. I am on a slightly tight budget, tho I can just wait for more money if its worth buying more expensive.
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If you wait supply of these will be exhuasted:
EVTV Motor Verks Store: Flexible Solar Panel 140w, Solar, Boat and Golf, 140wsolarpanel
42x32", 140watt, $285
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A 140 WATT SOLAR PANEL UNLIKE ANY YOU'VE SEEN
GET EM WHILE YOU CAN. These are the last available. The U.S. has imposed a 250% IMPORT TARIFF on these panels. These are the last we have in stock and when they are gone, we won't be buying more. YOU CAN SAVE AMERICAN JOBS simply by making things four times more expensive.
This lightweight, high efficiency solar panel is unusually well suited to electric boats, aircraft, RVs and electric vehicles.
Here's why:
LIGHT WEIGHT at just 2.68 kilograms - 5.9 pounds each.
VERY THIN - just 3 mm (0.118 inches) thick and built on a very durable flexible acrylic sheet. This means you can mount it on curved surfaces with minimal wind resistance. No frames. No glass. Laminated acrylic.
VERY HIGH EFFICIENCY This panel is made for EVTV in China using a special laminate. But the individual cells are made in the U.S. by SUNPOWER using their MAXEON back connect technology for efficiencies up to 24%.
GET EM WHILE YOU CAN. These are the last available. The U.S. has imposed a 250% IMPORT TARIFF on these panels. These are the last we have in stock and when they are gone, we won't be buying more. YOU CAN SAVE AMERICAN JOBS simply by making things four times more expensive.
What this means is that you can put solar panels in places impractical before. The lightweight, thin, flexible panels can be attached to RV roofs, boat decks, canopies, and places where the usual 45 lb stiff framed glass panels would simply be absurd.
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As to the mounting, I hope you park outdoors? Flat, 3mm thick and curved to fit the roof would be best. The gains in efficiency don't justify gimbal mounting. OTOH if the panels lay on the roof under the rack, you could have hinged reflective panels on the side or end rails to catch the sunrises and sunsets.
When I got the battery isolator elhigh mentioned, it was called a latching relay.