zsmith3rd(at)earthlink.ne
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 Posted: Tue Aug 28, 2007 1:28 pm Post subject: solar-powered sunshine |
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Robert, and all.....
Just Google for "solar battery charger" and you'll get more hits than you'll need.
I bought one several years ago to keep car battery up while parked several days at a time at airports.
It was about the size of the fold-down sun visor on a car or pickup. Plug it into the lighter recept, lay the panel on the dash, ride the shuttle to check-in. Outdoor parking is cheaper than covered, and you can get a free wash job if it rains! Or free hail dings. Have had both.
Folks who keep boats tied up at marinas, and only use the boat once or twice a year, find these to be good investments.....it is difficult to start a boat motor by pushing the boat. Likewise with motorhomes. I saw one installation atop a golf cart. Three 12-volt panels in series.
One of my generator installations has a larger panel, probably two feet square. In bright sun it has nearly 18 volts open circuit. It can cause one to add a lot of water to the battery over the span of a year.
The "regulator" I mentioned is a small plastic cube, potted so you can't see all the Radio Shack components. It has three wires: In, Out, and Ground. Easy! Regulators come in several sizes (current-handling capability) as do arrays of solar panels.
The regulator prevents overcharging, prevents boiling all the water.
You'll find the Internet abounds with all this good stuff.
Good Googling,
Zed
do not archive
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