This APC Back-UPS Pro offers premium power protection for high performance computer systems, routers/modems, external storage devices, game consoles and other electronics in your home or business. The 650VA tower UPS has 6 total outlets, 3 of which are battery back up and surge protection, and 3 that are surge protection only. It has a surge energy rating of 557 Joules. Its runtime at 100 Watts is 25 minutes. Its dimensions are 19 x 9.1 x 31 cm and 6.4 kg. The Back-UPS Pro family offers guaranteed power protection for high-performance computer systems, routers, external storage devices, game consoles, and other home and business electronics. 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.