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Solar cell battery bank - 48v in, 12v out

maxxiscopolis

Aug 19, 2009
1
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Aug 19, 2009
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Novice here, with an idea of a system to design. I am thinking about setting up a PV system, possibly 48 volts in, as the panels will be 15 to 25 feet from the house. I would like to draw from the battery bank at 12 volts. For theoretical purposes, let's say I input in series. Is there any way to draw from the bank in parallel? Are there any circuits that would allow me to do this economically? Reasons why are I would like to keep energy loss down on input, but use 12vdc appliances and LED lights directly from the batteries. My costs have to be kept to an utter minimum, so the fewer components, the better. I would even consider manually hooking up the PVs to separate battery banks and alternating the use of each bank every two to three days, recharging the bank not currently in use. That would allow me to hook them up in parallel and series as needed.
 
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