CCTV Voltage Help

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Carlitos47

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Joined
Apr 26, 2010
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I am trying to use a CCTV camera under water with proper protection. The camera spec is for 12V and it has IR for night vision or low light environments. 12 Volts is not a easy battery to find and they are expensive. I removed the IR part of the camera, used an 8 Volts power supply, and seem to be working well but I have tested it for just few minutes. My idea is to use a pair of 9 Volts batteries in parallel to get enough amps for the camera so it does not run out of power too quick (I do not know how long it will last so far) My question is, Can I use a 9 Volts battery safely or will it damage the camera? I know that more voltage could fry the camera but I am not sure if low voltage does the same or so. Since I already tried the camera with 8 Volts for few time (less than a minute) I suspect that the requirement of 12 Volts is divided between the IR needs and the camera needs. Having disconnected the Ir section, will it be safe using just 9 Volts?
I hope I am not making an stupid question and I appreciate any help on that regard.

Thank you,

Carlitos.
 

JohnWill

Retired Moderator
Joined
Oct 19, 2002
Messages
106,429
Paralleling batteries isn't a particularly good idea. How big a battery are you looking for?
 

Carlitos47

Thread Starter
Joined
Apr 26, 2010
Messages
2
I am looking to para llel 2 9 volts batteries with the hope to make them to last longer, I expect the camera to drain some amps quick so paralleling them may give me extra time.
 
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