Originally Posted by sbarbee54
You need to make sure they are line interactive ups. I use them and have some alpha tech battery back ups for my tanks and they last about 45 min. I am about to buy a generator
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This is from my CyberPower 1500AVR description: "Line interactive
, AVR and GreenPower Corrects brownouts and overvoltage without using the battery. GreenPower UPS reduces energy consumption up to 75%".