KMG 12 Volts 7.2Ah Replacement Battery Compatible with Best Technologies FORTRESS 1422 - Walmart.com
005-1422-BH (400 Watt High Pressure Sodium Capacitor) – unlimitedlights.com
Amazon.com: Power Sonic 12V 7Ah UPS Battery for Best Technologies Fortress 1422-4 Pack : Automotive
Amazon.com: 12V 7Ah UPS Battery for Best Technologies Fortress 1422-4 Pack : Health & Household
Compatible Best Technologies Fortress 1422 Battery - Replacement UB1280 Universal Sealed Lead Acid Battery (12V, 8Ah, 8000mAh, F1 Terminal, AGM, SLA) - Includes TWO F1 to F2 Terminal Adapters - Walmart.com