How to best power a camera on DC with fluctuating inputs.

[IHaveThePower]

Hi
So I have a security system which I've been running at my off grid lot and I've run into a problem..
I am powering the cameras directly on dc where I've cut the ac adapter and installed fuses to protect the cameras.
The cameras don't like voltages over 12ish v and when I have them connected directly at the 12v battery they fail to run when the sun is out because the panels are producing between 17-21v
If I install a 24v step down it will run when the sun it out but when the sun sets the voltage into the converter will drop and it will stop giving 12v. [I'm assuming]
Besides going back to running them on ac is there a solution.
The converter I have on my 24v system runs at 17-40v, it works fine because the battery is 24v but on my smaller 12v setup the same converter would probably not work the same. I assume the voltage dropping to less than 17v when the sun sets will cut power on the output side.

The reason I run them on dc besides the power savings is they are away from the Inverter and its just easier to tie them directly into the battery.

 

[sunshine_eggo]

8-40VDC wide input 12V converter in 6, 10, 20 and 25A options:

https://www.amazon.com/Cllena-Automatic-Converter-Regulator-Waterproof/dp/B08KZRZNCQ

 

[sunshine_eggo]

 

[IHaveThePower]

8-40VDC wide input 12V converter in 6, 10, 20 and 25A options:

https://www.amazon.com/Cllena-Automatic-Converter-Regulator-Waterproof/dp/B08KZRZNCQ

Very good sunshine
That's new info to me
That will do nicely
Ty

 

[sunshine_eggo]

Very good sunshine
That's new info to me
That will do nicely
Ty

I have one powering my DSL modem. My RV converter is 13.8V, and I recently fried the DSL modem. I doubt it was the voltage (lotsa ugly weather and lightning the day it failed), but I figured it was too cheap not to do... just in case.

 

[IHaveThePower]

Nice
Hopefully I didn't fry the camera
I noticed it's offline even though the sun is down now.
It worked fine for a couple weeks but started noticing the diesel heater throwing a battery error and realized the panels were spiking the voltage.

Silly question but the order lugs were stacked couldn't ever change how a device draws power. Seems improbable.



you think?

 

[Bud Martin]

Related thread:

How to best power a camera on DC with fluctuating inputs.

Hi So I have a security system which I've been running at my off grid lot and I've run into a problem.. I am powering the cameras directly on dc where I've cut the ac adapter and installed fuses to protect the cameras. The cameras don't like voltages over 12ish v and when I have them connected...

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