The XRT UPS series of Uninterruptible Power Supply UPS Battery Backup systems from Para Systems-Minuteman offers line-interactive sine wave power protection for on-line, networks, critical servers, point-of-sale, routers, hubs and switches, phone systems, security systems and additional business critical applications, by completely isolating sensitive equipment from every power problem. It keeps your equipment running during a power outage. Wholesale Batteries Direct has the high quality batteries that you want to buy at discount prices to power your Para Systems-Minuteman XRT UPS Battery Backup equipment. We carry the batteries for nearly all XRT series UPS Battery Backup systems such as the XRT 600, XRT 600/2, XRT 1000, XRT 1500, SRT 2000, XRT BP1 Battery Pack and XRT BP3 Battery Pack series UPS models. All of our batteries come with a full 1 year warranty. Be sure to save and re-use your existing cables and connectors, when you replace the batteries.