Amazon.com: APC UPS Battery Replacement, RBC24, for APC Smart-UPS Models SMT1500RM2US, SMT1500R2-NMC, SU1400RM2U, SU1400RMNET, SUA1500RM2U and select others Black : Electronics
Amazon.com: RBC33 Compatible Replacement Battery Pack for APC Back-UPS XS 1500 by UPSBatteryCenter - Works ONLY with UPS Model: BX1500 : Health & Household
How To Replace & Upgrade Your APC Smart UPS Battery
Amazon.com: UPSBatteryCenter Compatible Replacement Battery Cartridge for APC SUA1500RM2U Smart-UPS 1500 Rack Mount 2U : Electronics