You are bidding on a APC Back-UPS ES 550 Battery Backup. It is brand new in the retail package.

Product Description
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.