APC Back-UPS ES 550 8-Outlet 550VA System
The Back-UPS ES provides abundant battery backup power, so you can work through medium length power outages. It safeguards your equipment against damaging surges and spikes that travel along utility and data lines. The Back-UPS also features automatic voltage regulation (AVR), which instantly adjusts high and low voltages to safe levels, so you can work indefinitely during brownouts and overvoltages.
UPS, External, 550 VA power capacity,120 volt.
4) NEMA 5-15R (Battery Backup); (4) NEMA 5-15R (Surge Protection).