APC UPS 1500VA 900W Sine Wave UPS Battery Backup - Black (BR1500MS2) - Walmart.com
Amazon.com: New Battery Pack for APC Smart-UPS X 1500VA Rack/Tower LCD 120V SMX1500RMUS Compatible Replacement by UPSBatteryCenter : Health & Household
Best Buy: APC Back-UPS Gaming 1500VA 10 Outlet/3-USB Battery Back-up and Surge Protector Midnight Black BGM1500B