Mighty Max 12V 5AH Replacement Battery for Eaton Powerware 5110 350 + 12V Chargr 29483611442 | eBay
how to replace the batteries inside an Eaton Powerware 5110 line interactive UPS - YouTube
Amazon.com: 2 Pack Replacement for Eaton/POWERWARE 5110-1500 Battery - Replacement UB1290 Universal Sealed Lead Acid Battery (12V, 9Ah, 9000mAh, F1 Terminal, AGM, SLA) - Includes 4 F1 to F2 Terminal Adapters : Health & Household