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Why would anyone design a solar panel that way. It doesn't make sense and would increase the cost of the panels incredibly. Solar panels are generally used to charge batteries. As such, they need to output relatively low voltage DC... trying to convert the low-voltage DC output to a high voltage AC output would require fairly sophisticated and inefficient hardware—specifically an inverter. Then to use the electricity on the boat, say to charge the batteries, you'd have to convert it back to DC... incurring even further losses.
The most cost efficient way to keep the batteries charged when dry docked is to take them home and put them on a three-way smart charger about once every two weeks.
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Sailingdog
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Telstar 28
New England
You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.
—Cpt. Mal Reynolds, Serenity (edited)
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Still—DON'T READ THAT POST AGAIN.
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