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The more powerful the UPS the longer it will power your modem/router. I'd suggest several hours for a 500 VA UPS up to 20 hours or more for a 1500 VA UPS.
Sorry, there was a problem. Please try again later.it might run it for a while but this seems to be more meant to back up your pc in the event of a power outage or surge by keeping the pc running long enough to allow you to safely shut it down. With that said it will run my pc and monitor without much of a load for 82 min if the power does go off.
Sorry, there was a problem. Please try again later.Hello Tony, any of the referenced Uninterruptible Power Supplies would work with just a modem, though your runtime will vary quite a bit. Bigger units will of course provide more runtime on a smaller load, but we would need more information to provide accurate runtimes. For more information, please reach out to our Technical Support team at 1-877-297-6937 and select option 1. Thank you for your question!
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