APC's Back-UPS ES 550VA Desktop UPS is now "greener" than ever. 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.
The Back-UPS ES offers APC's best value for protecting your home and home office computer systems. It provides battery backup power that allows you to work through short and medium length power outages. It also safeguards your equipment from damaging surges and spikes that travel along your utility and phone lines.