Amazon.com: New Battery Pack for APC Smart-UPS X 1500VA Rack/Tower LCD 120V SMX1500RMUS Compatible Replacement by UPSBatteryCenter : Health & Household
APC 1500VA Smart UPS with SmartConnect, SMT1500C Sinewave UPS Battery Backup, AVR, 120V, Line Interactive Uninterruptible Power Supply : Electronics - Amazon.com
MIGHTY MAX BATTERY ML22-12 - 12V 22AH UPS Battery Replaces Enduring 6FM22 6-FM-22 MAX3424426 - The Home Depot