Amazon.com: RBC7-UPC Replacement Battery for APC Smart-UPS SU1400, SUA1500, SUA750XL, SUA1000XL, SU1400NET, SU1000XLNET - Scroll Down for The Complete List of Compatible Models : Electronics
APC Smart-UPS X 3000VA 2U RT LCD UPS Battery Backup (SMX3000RMLV2U) | Dell USA
Amazon.com: SUA3000 Compatible Replacement Battery Pack by UPSBatteryCenter® : Health & Household