Amazon.com: SUA750RM2U - New Battery Pack for APC Smart-UPS 750 Rack Mount 2U SUA750RM2U - Compatible Replacement by UPSBatteryCenter : Health & Household
Amazon.com: APC UPS Battery Replacement, RBC48, for APC Smart-UPS SMT750, SMT750US, SUA750 and select others : Electronics
APC Smart-UPS XL 750 (SUA750XLI) - Brand New Compatible Replacement Battery Kit with Harness | RefurbUPS
How to Replace Battery APC Smart UPS 750 - YouTube