Re cold beer. I run a 5 cubic foot freezer in Mexico on my boat with solar. I
freeze jugs of water and use a super insulated cooler to keep beverages cold.
I fould that most panels inly generate 1/2 of there rated performance do get 2x
your need. And batteries only yield 1/2 of rated amperage
Bill,
I have 2 semi rigid 100w solar panels mounted on the Bimini which feed a Renogy
40amp regulator that service 2 group 31 house batteries and group 27 starter
battery. Also in play is a 2000watt Xantrex charger/inverter which only gets
used for periodic winter battery charging when the boat
