The SmartSine 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 and additional business critical applications, by completely isolating sensitive equipment from every power problem. It provides high-performance surge suppression and 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 SmartSine UPS Battery Backup equipment. We carry the batteries for nearly all SmartSine series UPS Battery Backup systems such as the S 700, S 1000, S 1400, S 2000 series tower 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.