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
Amazon.com: APC Smart-UPS 1500 SUA1500I 12V 18Ah UPS Battery - This is an AJC Brand Replacement : Electronics
Replacement UPS Battery Set for SMART-UPS SUA1500 APC - (2 batteries - 12V 18AH)
APC UPS Battery Replacement for APC Smart-UPS Model SMT1500, SMT1500C, SMT1500US, SUA1500, SUA1500US and select others (RBC7) - Newegg.com
SUA1500 - APC Smart-UPS 1500VA 980W USB & Serial Refurbished - 1 Year Warranty
Mighty Max Battery 12V 18AH Compatible for APC SU700XL SU700XLNET SUA1500 - 2 Pack ML18-12MP219 | Zoro
Replacement batteries for Smart UPS SUA1500i | UPS Battery Shop
APC Smart-UPS 1500 (SUA1500) - Brand New Compatible Replacement Battery Kit with Harness | RefurbUPS
BTI Replacement Battery #7 for APC - UPS battery - lead acid - RBC7-SLA7-BTI - UPS Battery Replacements - CDW.com