Amazon.com: UPC UPGRADE PARTS COMPANY RBC7-UPC Replacement Battery for APC Smart-UPS SU1400, SUA1500, SUA750XL, SUA1000XL, SU1400NET, SU1000XLNET - Scroll Down for The Complete List of Compatible Models : Electronics
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Amazon.com: APC UPS Battery Replacement, RBC24, for APC Smart-UPS Models SMT1500RM2US, SMT1500R2-NMC, SU1400RM2U, SU1400RMNET, SUA1500RM2U and select others Black : Electronics