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    kevin57's Avatar
    kevin57 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Jan 17, 2013, 09:40 PM
    Electrical
    I'm trying to cool a heat exchange system by running a small 12v 400ma DC fan. The unit must provide enough power to run the fan for 10 hrs. If using solar cells how many cells will I need?
    tkrussell's Avatar
    tkrussell Posts: 9,659, Reputation: 725
    Uber Member
    		  
    #2

    Jan 19, 2013, 04:23 AM
    Consult with your solar cell vendor to size your system.
    ma0641's Avatar
    ma0641 Posts: 15,675, Reputation: 1012
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    #3

    Jan 19, 2013, 06:17 AM
    Are you trying to directly run from the cell or use the cell to charge a battery?
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