Designed for computers, wireless networking devices, gaming consoles, security systems, and other electronics, the Back-UPS BN450M from APC not only provides power to your critical electronics when the power goes out, but also offers surge, spike, and lighting protection for attached devices. It offers six total NEMA 5-15R outlets, two of which are surge-only outlets and four of which are battery backup & surge outlets, with three of the outlets featuring block spacing to allow bulky transformers to be plugged in without covering other outlets.

The BN450M provides an output capacity of 255W / 450 VA, a nominal output voltage of 120V, an output frequency of 50/60 Hz ±3 Hz, an input voltage of 120V at 50/60 Hz ±3 Hz using its included 5' cord with a NEMA 5-15P plug, has a surge energy rating of 180 joules, and a square waveform. Its sealed, lead-acid battery is maintenance-free and has suspended electrolytes and can be recharged in around 8 hours. When its load is 10W, the BN450M has a runtime of around 214.6 minutes and can also run for 37 minutes when its load is 50W, 15 minutes when its load is 100W, 11 minutes when running a half load of 127.5W, 5 minutes when its load is 200W, and 3 minutes when it is running a full load of 255W. Protection is provided by a limited 3-year warranty and a lifetime connected equipment guarantee of $75,000.