APC BACK-UPS 750 BE750G Battery Replacement - UB1290 Universal Sealed Lead Acid Battery (12V, 9Ah, 9000mAh, F1 Terminal, AGM, SLA) - Includes TWO F1 to F2 Terminal Adapters - Walmart.com
APC Back-UPS ES 750 G (BE750G) High Capacity 9 Amp Battery Replacement Kit | RefurbUPS