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Battery backup or UPS?
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12-09-2015, 03:20 AM
mike31154
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Join Date: Jul 2008
Location: Vernon
Posts: 2,073
Takes prep time though, the potato/peroxide science, and you need to be home. One great feature of the battery powered air pumps (the ones I have anyhow) is that they sense power outage & switch on automatically. The magic of relays.
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