This APC Easy UPS provides power protection for unstable power conditions in homes and small offices, ensuring consistent and reliable connectivity at the most critical moments. The 2200VA tower UPS has 4 total outlets, all of which provide battery back up and surge protection. It has a surge energy rating of 273 Joules. It features Automatic Voltage Regulation to correct voltage dips and surges to proper levels. This UPS has a 2-year warranty and CE product certification. It is compatible with a dedicated user-replaceable battery, and the APC replacement battery cartridge helps restore UPS performance to the original specifications.