Amazon.com: New Battery Pack for APC Smart-UPS X 1500VA Rack/Tower LCD 120V SMX1500RMUS Compatible Replacement by UPSBatteryCenter : Health & Household
APC Smart-UPS C, Line Interactive, 1500VA, Rackmount 2U, 230V, 4x IEC C13 outlets, SmartConnect port, USB and Serial communication, AVR, Graphic LCD - APC Croatia
APC Smart-UPS 1500VA 120V USB 12V 18Ah UPS Battery - This Is an AJC Brand Replacement - Walmart.com
SUA1500US - APC Smart-UPS 1500VA 120V US | Schneider Electric USA
Amazon.com: RBC7-UPC Replacement Battery for APC Smart-UPS SU1400, SUA1500, SUA750XL, SUA1000XL, SU1400NET, SU1000XLNET - Scroll Down for The Complete List of Compatible Models : Electronics