The Internet Office UPS series of Uninterruptible Power Supply UPS Battery Backup systems from Tripp Lite offers power protection for personal computers, monitors, printers, routers, hubs and switches and computer peripherals. 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 TrippLite Internet Office UPS Battery Backup equipment. We carry the batteries for nearly all InternetOffice series UPS Battery Backup systems such as the INTERNETOFFICE450, INTERNETOFFICE500, INTERNETOFFICE525, IO700NAFTA, POS500, TM500, INTERNET550SER, INTERNET550U, INTERNET600U, INTERNETOFFICE700, INTERNET750U, INTERNET900U, AVR750U, AVRX750U, AVR900U UPS models and more. 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.