12v power supply for dvr

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hxsarge

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is there a better option for providing short term battery back up for 12v dvrs than using a ups, such as a plug in apc type(which i currently do)? i use 12v power supply's with integral battery's for the cameras but the only ones i can source are limited to 3-5A load across all outputs, and the dvr needs a 3 amp psu. what do others do?

 
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