The Back-UPS ES offers affordable battery backup and surge protection for home computers. With enough power outlets to protect your entire system, built-in phone/fax/modem line (DSL compatible) protection and easy-to-install safe system shutdown software all make this power protection solution the best value for home and home office computers.
The ES 550 utilizes an ultra-efficient design that consumes less power during normal operation than any other battery backup in its class, saving you money on your electricity bill. It's also RoHS compliant, which means its manufacture and ultimate disposal is easier on the environment. Even the packaging has been carefully selected to minimize energy use in it's creation, and to maximize the use of recycled materials. Coupled with all the standard features of the Back-UPS ES series, the ES 550 is the best value for home and home office computers.
Battery failure notification
Battery replacement without tools
Disconnected battery notification
Intelligent battery management
LED status indicators
Replace Battery LED
In the box
CD with software
This 120-volt, eight-outlet battery backup and uninterruptible power supply (UPS) provide emergency power through short and medium-length power outages. Battery backup features a 330-watt/550-VA output capacity. USB connection lets you use your PC to access additional power protection and management features. Disconnected battery notifier warns you when a battery is not available to provide backup power. Dataline surge protector guards your connected equipment from power surges on the data lines. Wiring fault LED indicator informs you of potentially dangerous wiring problems in the wall circuit. Plus, this battery backup protects electronics from surges and spikes without reducing the battery power that's used to run primary electronics during an outage.
Back-UPS ES 550VA 120V 8-Outlet "Green" UPS
Backup/Run Time (Half Load)
Backup/Run Time (Full Load)
Load Capacity (VA)
Load Capacity (Watt)
4 x NEMA 5-15R
Green Compliance Certificate/Authority
Maximum Battery Recharge Time
110 V AC
120 V AC
Certifications & Standards
UL 1449, cUL Listed, FCC Part 15 Class B, FCC Part 68, NOM, UL 1778, UL 497A, UL 497B