Replacement UPS Battery Set for SMX1500RM2UNC APC - (4 batteries - 12V 9AH)
Mighty Max Battery 12V 9Ah UPS Battery Replacement for APC BE550G Rechargeable Sealed Lead Acid 1290 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: APC UPS Battery Replacement, RBC7, for APC Smart-UPS Models SMT1500, SMT1500C, SMT1500US, SUA1500, SUA1500US, SUA750XL and select others, Black,1 Count (Pack of 1) : Electronics
Amazon.com: APC UPS Battery Replacement, APCRBC110, for APC UPS Models BE550G, BE550MC, BN600MC and select others : Electronics
APC Replacement Battery Cartridge #124 APCRBC124 B&H Photo Video