5-Pack UpStart Battery UB645 / Compatible Light Alarms UH24 — 6V 4.5Ah (4500mAh) SLA AGM with F1 Terminals + 10 F1→F2 Adapters

Five replacement batteries from UpStart Battery, compatible with Light Alarms UH24 and serving as direct UB645 replacements. Each cell is a sealed lead acid (SLA), AGM design rated 6V and 4.5Ah (4500mAh) with F1 terminals. This pack includes 10 F1 to F2 terminal adapters to accommodate devices requiring F2 connections. Ideal for applications that specify UB645 or UH24 batteries, providing the same voltage, capacity, and terminal configuration as the original units.