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Solar Panels For Rvs

Roberto Said:

How do I hook up a 1.5v solar outdoor diode light without the solar panel to a 12v battery bank in a motorhome?

We Answered:

Are you sure you wouldn't rather just use a NiMH battery charger that plugs into your cigarette lighter, and put the AA battery into your LED light?

It's certainly possible to put a dropping resistor between the 12V battery and your 1.5V light to make it work, but it would be a bit of work if you don't already know what you're doing. If you have an electrical engineer friend, they can get a DVM to measure the current drawn by your light, then help you go shopping for the right value resistor at (say) Radio Shack.

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