I have the same UPS. I still can't tell what's going in your video, but I thought the battery was dead and bought a replacement. I put in the replacement and it won't hold a charge, so I suspect the charging circuit is burned out. I'd just buy a new one.
...What is that thing and what does it do (when it's not broken)?
It's a small battery backup. Probably gives ten minutes or less if the power goes out. I think that model can be connected to the computer to provide shutdown sequence as well, which is nice.
Only functions as a surge protector if the heavy lead acid battery inside isn't holding a charge though.
Surge protection and battery backup were quite useful when something my siblings bought started tripping the circuit breaker. Moving their crap out solved the problem.
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edit: Fixed
http://www.fallout3nexus.com/downloads/file.php?id=16534
Replacement is about $26 at amazon.
It's a small battery backup. Probably gives ten minutes or less if the power goes out. I think that model can be connected to the computer to provide shutdown sequence as well, which is nice.
Only functions as a surge protector if the heavy lead acid battery inside isn't holding a charge though.
Best $100 I spent.
http://www.fallout3nexus.com/downloads/file.php?id=16534