But CyberPower’s AVR Series has user reviews dating back almost 10 years. UPS comparison isn’t a sexy topic, and the units aren’t easy to test. You won’t find many in-depth editorial reviews of the CP685AVR or most other battery-backup units. Without any other differentiating factors, that’s just enough of an advantage to make the CyberPower CP685AVR, which is often a few dollars cheaper, our top choice. We ran each test three times on a single sample of each device, so numbers this close are not definitive, but in the end the CyberPower unit performed to its rating and the APC unit under-delivered. Though the APC unit had a much longer advertised rating at a 50W load-87 minutes versus 59 minutes-the CyberPower unit edged it out in our real-world tests, averaging 59.6 minutes compared with APC’s 55.8 minutes. We tested the CP685AVR against APC’s closest competitor, the BE650G1. The CP685AVR can keep a combination of a common 50W cable or DSL modem and Wi-Fi router on for about an hour, or a 300W workstation online for a few minutes while you frantically save work and safely shut everything down. Most people are looking for a UPS to solve one of three problems in a blackout: powering a digital-phone modem for contacting emergency services and loved ones, preventing damage to something that needs to be properly shut down, or passing the time until the electricity comes back. The CyberPower CP685AVR is our first choice for anyone who wants a UPS to keep their home network and modem online until the power comes back up, though the APC BE650G1 Back-UPS is just as good of a pick if you happen to find it for less. Michael Hession The UPS units we’d get: Our picks for a home network
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