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What components are required in a solar power car/boat battery charging system?

Question by Sam: What components are required in a solar power car/boat battery charging system?
I have a small yacht and I am looking to install a solar powered charger to charge the boat battery. The battery is to be used to run a CD player, a 2 way radio, a number of lights and possibly a small TV at a later date. I am unsure of what components are actually needed in this power system and any sought of advice would be greatly appreciated. Thank You.

Best answer:

Answer by jtexas
solar panel and controller (circuitry to prevent the charger from draining the battery during low light conditions, when it’s not generating).

You’ll need some pretty big panels to keep up with the demand.

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