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Old 06-27-2018, 01:27 PM
 
112 posts, read 89,714 times
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If this is the wrong spot please direct me where to post.



I have a wifi camera i want to use on a tree a little way from my house. Needs just 5v and has a power supply that just plugs to a 110 outlet. I am obviously not running electric out there and no extension cables. I've been searching for something like a solar panel that will power it but haven't found anything good, perhaps searching incorrectly. If anyone understands what i'm trying to do and can advise i would appreciate it.


thanks.
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Old 06-27-2018, 04:56 PM
 
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A usb powerbank will output 5v and whatever capacity you may need. May have to do some wire splicing depending on the connector to the camera.
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Old 06-27-2018, 04:59 PM
 
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Technically you could power it from one of those power banks used to charge phones. The caveat is that you would need to see how long one lasts based upon its capacity against the draw of the webcam.

The battery will be listed at mAH at 5 volts. You then need a wire with USB at one end and the right connector for your camera on the other. Let’s assume the camera consumes 1A.

A 30000 mAH battery (around $50, pretty big) would then run the camera for 30 hours.

You could also incorporate solar to charge the battery. At perfect efficiency a 5W panel at 5V will provide 1A of current, enough to power the webcam. In reality it would be much less. So if you used say a 15W panel to charge the battery, and assuming varying rates of charge due to clouds, etc. it might be enough to keep things charged and running.

But there are other issues - you can’t just connect a panel to a battery to a webcam and expect it to work flawlessly. If you want to spend money for something rated better, take a look at the Goal Zero Sherpa 100 with the solar panel. $$$.

But try the power bank first.

Which camera model?

Is this a temporary thing or permanent?
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Old 06-27-2018, 05:01 PM
 
4,654 posts, read 2,625,045 times
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Quote:
Originally Posted by jtvaj125 View Post
A usb powerbank will output 5v and whatever capacity you may need. May have to do some wire splicing depending on the connector to the camera.
Likely would - and need to ensure if itís DC that the + and - are correct so you donít risk damaging the camera.

Agree this is the cheapest approach, but may need 2 power banks and switch each day to recharge.
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Old 06-29-2018, 11:44 AM
 
26,935 posts, read 38,191,714 times
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Quote:
Originally Posted by markjames68 View Post
Technically you could power it from one of those power banks used to charge phones. The caveat is that you would need to see how long one lasts based upon its capacity against the draw of the webcam.

The battery will be listed at mAH at 5 volts. You then need a wire with USB at one end and the right connector for your camera on the other. Let’s assume the camera consumes 1A.

A 30000 mAH battery (around $50, pretty big) would then run the camera for 30 hours.

You could also incorporate solar to charge the battery. At perfect efficiency a 5W panel at 5V will provide 1A of current, enough to power the webcam. In reality it would be much less. So if you used say a 15W panel to charge the battery, and assuming varying rates of charge due to clouds, etc. it might be enough to keep things charged and running.

But there are other issues - you can’t just connect a panel to a battery to a webcam and expect it to work flawlessly. If you want to spend money for something rated better, take a look at the Goal Zero Sherpa 100 with the solar panel. $$$.

But try the power bank first.

Which camera model?

Is this a temporary thing or permanent?
Use solar to keep the power bank charged?
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Old 06-29-2018, 12:23 PM
 
241 posts, read 183,023 times
Reputation: 295
You'll need something to store the electricity. Solar isn't going to work 24/7. Either that or disconnect the powerbank and bring it in to charge. Not the cleanest solution but even those wireless security camera systems still used battery powered cameras.
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