I have an Epson 6100 projector and I want to plug it into a UPS Surge bar, which one should I buy?

What is the minimum size that I need for a UPS Surge bar that will run the fan on the projector if my power goes out? I figure it is cheaper to buy a UPS bar then a new bulb for projector.

http://www.epson.ca/cgi-bin/ceStore/consumer/consDetail.jsp?BV_UseBVCookie=yes&oid=60878894

Thank you.