4-Pack UB645 6V 4.5Ah (4500mAh) UpStart Replacement Battery for Light Alarms SQL — AGM SLA, F1 Terminal + 8 F1→F2 Adapters

Pack of four UpStart UB645 replacement batteries made for Light Alarms SQL applications. Each battery is a 6V sealed lead acid (SLA) unit with AGM construction and a capacity of 4.5Ah (4500mAh). F1 terminal-equipped for direct fit; the set also includes eight F1 to F2 terminal adapters to accommodate devices with F2 connections. Quantity: 4. Brand: UpStart Battery.