... *long run or with batteries inside *shenzhen factory manufacturer EW2150 Series 500VA-1500VA Sine wave UPSMain Features: Maximum power protection with ... for installation on PCs running Windows Vista, 2003, XP, 2000, Me, 98; Linux, Mac OSX and the Sun Solaris operating system ... /2003/XP/Vista/2008, Windows® 7, Linux, and MAC EW2150 Series 500VA-1500VA Sine wave UPS