Amazon.com: New Battery Pack for APC Smart-UPS X 1500VA Rack/Tower LCD 120V SMX1500RMUS Compatible Replacement by UPSBatteryCenter : Health & Household
APC RBC7 Replacement Battery by AtBatt
Battery kit for APC Smart UPS 1500 replaces APCRBC133
APC Back-UPS RS-1500 Battery Replacement Problem
BTI Replacement Battery #132 for APC - UPS battery - lead acid - APCRBC132-SLA132 - UPS Battery Replacements - CDW.com
APC Smart-UPS 1500 Rack Mount 2U (SUA1500RM2U) replacement battery pack (rechargeable, high rate)