EXTREME Overclocking has just posted a detailed review on the Belkin F6C1500TWRK 1500VA Battery Backup UPS. A quote from the article:

Power outages always seem to happen at the most inconvenient times. If you are working on a PC when the power goes out, chances are important data will be lost. The solution to this common power problem lies with a wonderful product called a UPS (no, not the shipping company), which stands for Uninterruptable Power Supply.

Belkin F6C1500TWRK 1500VA Battery Backup UPS Review