APC Back-UPS ES Uninterruptible Power Supply

The Back-UPS ES Uninterruptible Power Supply from APC provides power to your important computer components in the event of an electrical outage. The Uninterruptible Power Supply (UPS) contains a battery which continues to power computers, monitors and other components if the electricity is cut from them, providing enough time to safely shut them down. The battery is hot-swappable and easy to replace. An audible alarm alerts you of events like power outage and low battery.