CyberPower Standby CP550SLG 550 VA Desktop UPS safeguards home/office computers and other electronics (monitors, scanners, speakers, CD/DVD players, MP3 players and phones) from surges, spikes, sags, brownouts and other power abnormalities. Its composite integrated circuitry offers advanced lightning protection. More from the Manufacturer
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I run small office with 6 of these but 3 maybe now 4 have failed. Battery lasts a few years, but when it goes...it just shuts down! Have tried to get battery to replace but cost is $25 and $15 to ship!!! can just go to store and buy new one for a few bucks more! Will probably look to get different one online with free shipping...
What's great about it: least expensive but what do you get
What's not so great: Battery on 3 of these has died and cost is $40 for new battery! They also die and leave you with no power.