The Automatic Voltage Regulation AVR series of UPS Battery Backup systems from CyberPower Systems offers advanced power protection for office and home office computers and any connected peripherals. The AVR series ensures that all your electronics are receiving clean and stable AC power. Wholesale Batteries Direct has the high quality batteries that you want to buy at discount prices to power your CyberPower AVR series UPS Battery Backup equipment. 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.