New Battery Pack for APC Smart-UPS X 1500VA Rack/Tower LCD 120V SMX1500RMUS Compatible Replacement by UPSBatteryCenter : Health & Household - Amazon.com
APC Smart-UPS 1500 Rack Mount XL 2U (SUM1500RMXL2U) - Brand New Compatible Replacement Battery Kit | RefurbUPS
APC UPS battery replacement for Smart-UPS 1500 (SUA1500) and XL 3000 (SUA3000XLT): batteries RBC7 and RBC55 « The Wiert Corner – irregular stream of stuff
APC Smart-UPS X 1500 Rack Mount LCD (SMX1500RM2UNC) - Brand New Compatible Replacement Battery Kit | RefurbUPS
Battery kit for APC Smart UPS 700/1000/1500 and APC Back UPS Pro 1000 replaces
How to Replace the Battery in an APC Smart-UPS 1500 · Share Your Repair