Amazon.com: APC UPS 1000VA UPS Battery Backup and Surge Protector, BX1000M Backup Battery Power Supply, AVR, Dataline Protection : Electronics
Amazon.com: APC UPS Battery Backup & Surge Protector with AVR, 1500VA, APC Back-UPS Pro (BX1500M) & UPS Battery Backup & Surge Protector with USB Charger, 600VA, APC Back-UPS (BE600M1) : Electronics
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