I have the Noma 400 as well and that's great for power outage.
UPS are just cr@p as they run for no more than 15 or 20 minutes. They are not meant to keep the power going long term so they are worthless for our use. They are only meant to keep a computer running a very short while for very short power outage so that the provided software shut down the computer.
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Originally Posted by freddy
I use a battery backup from canadian tire,power went out for 5.5 hrs last winter,ran 500 aquaclear,skimmer,one powerhead and heater.It is the noma 400.
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