Power Wireless CCTV camera via solar panel?

Hi all,

I have a Wirless CCTV camera, that is powered via a DC12V/500mA power adapter. Is it possible to make this compleley "wire free" by using a solar panel and a solar battery?

For an example of the camera, see here:

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an Example of the Solar Battery, see here:
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an example of the solar panel, see here:
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Reply to
George Leithead
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could work. probably don't need 100 ah battery since the camera only draws 105 ma

Reply to
Crash Gordon


Use a charge controller, a little excess battery and, a little more solar panel than you think you need.

Reply to
Bob La Londe

"Crash Gordon" says the camera needs 109mA at 12V. (Check that includes the IR?). You need a battery big enough to power the camera through the night. Best allow enough capacity for say 36 hours in case the next day is very cloudy. Lets call it 48 hours to allow for the battery getting old..

0.109 x 48 = 5AH. So a standard 7 or 14AH battery should be plenty if the solar panel can keep it charged...

The solar panel needs to provide (in 8 hours of sunshine) the same ammount of energy that the camera uses over 24 hours....

0.109 x 24/8 = 0.327A or around 4W.

So that solar panel you looked at seems to be too small.

You would be wise to look at a much larger panel than 4W because makers usually rate for "full sun" which rarely lasts 8 hours, particularly in winter. I would expect a 20W panel might be needed and I would ensure that the panel design allows extra panels to be added in parallel if the one you choose proves inadequate. Then you can start small and add panels. Perhaps even disconnect on in the summer if you find too much power kills the battery life.

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