Average Reviews:
(More customer reviews)The UPS works as advertised. I found the beeping when the UPS is providing power to be annoying, but you need to install the Windows control software in order to turn it off - the supplied MacOS software doesn't allow you to do that. I really like the USB interface provided to the computer, and I found that MacOS already has built-in support for UPSes that works with the BR900, so there's really reason to install the supplied MacOS software at all. In a desktop Mac, MacOS treats the UPS just like the built-in battery in a Powerbook laptop, which makes sense.The only other thing I don't like is the power supply in my iMac buzzes when the UPS is operational. It must be generating AC with square waves rather than sine waves, which is what you get from the power company.
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Product Description:
APC BACK-UPS RS BR900 900VA/540W UPS System
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