APC UPS 1500VA Sine Wave UPS Battery Backup, BR1500MS2 Backup Battery Power Supply with AVR, (2) USB Charger PortsThis APC battery back up power supply offers guaranteed power and surge protection for wireless networks, computers, and other electronics in your home or business. Backup battery power supply is designed for use during outages and unsafe voltage fluctuations, and provides surge protector with battery backup in the event of damaging power surges and spikes. The APC Back-UPS PRO series of Uninterruptible Power Supply are the perfect battery backup for computer, external harddrive and routers to protect your data and keep you connected. This APC 1500VA SinewaveUPS offers AVR, is active PFC compatible, and has a User-replaceable battery to prolong the life of your UPS by APC, which makes a great back up power for home.APC UPS Battery Backup Surge Protector, 425VA Backup Battery Power Supply, BE425MThis APC battery backup power supply offers guaranteed power and surge protection for wireless networks, computers, and other small electronics in your home or business. Backup battery power supply is designed for use during outages and unsafe voltage fluctuations, and provides surge protector with battery backup in the event of damaging power surges and spikes. The APC Back-UPS series are the perfect battery backup for routers to keep you and your smart devices connected.