APC Back-UPS 900VA 9-Outlet/1-USB Battery Back-Up and Surge Protector Black BVN900M1 - Best Buy
APC by Schneider Electric Back-UPS Pro External Battery Pack (for 1500VA Back-UPS Pro models) - 24 V DC - Lead Acid - 4 Year Minimum Battery Life - 6 Year Maximum Battery Life - Servmart