This APC Back-UPS offers power and surge protection for wireless networks, computers, gaming consoles and other electronics in your home or business. The 500VA floor/wall mount UPS has 8 total outlets, 6 of which are battery back up and surge protection, and 2 that are surge protection only. It has a surge energy rating of 310 Joules. It has one USB port for smart charging of personal devices. This UPS has a 2-year warranty on unit and battery. 3-year warranty, 100,000 lifetime connected equipment protection policy, and free technical support exclusive for European community countries only. It is compatible with a dedicated user-replaceable battery, and the APC replacement battery cartridge helps restore UPS performance to the original specifications.