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If we are connecting a 12V adapter from the output of an emerge ups, it should not give backup for a long time, Why?

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It depends if the current that it drain is high or not. A higher output amp will drain the ups quicker than a lower amp adapter. If you want some more technical info, let me know and I will try to explain. For now just try to understand the concept.Hope this helps and a leaving me a rating will help too...

Posted on Apr 05, 2011

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Posted on Jan 02, 2017

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