Battery Backup

APC's Back-UPS® ES series 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 affordable battery backup and surge protection for 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

Replacement Battery Cartridge for Models SUA750, SUA750I, SUA750US