All we need to know is how many watts each LED module uses. That will be on the eBay site.
A deep cycle (aka "marine") battery will be needed. Once we know the total wattage draw (LED module times 200) , then you multiply that by 5 to bet a panel wattage. From that, we now the current to purchase a battery charge controller.
Another way to figure out the current draw is to hook up the LEDs to an existing car battery and place a cheap current meter (standard "voltmeter" type of instrument) in series. Use the DC current setting. This will tell you the circuit current for that number of LED modules.
Steve
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consulting on geothermal heating/cooling & rational energy use since 1990
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