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 800VA floor/wall mount UPS has 4 total outlets, all of which provide battery back up and surge protection. It has a surge energy rating of 156 Joules. It features Automatic Voltage Regulation to smooth out voltage fluctuations from mains power supply without swtching to battery. 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. It has a one-step battery connector that gets your UPS operational with a quick slide of the lock.