4-Pack UpStart UB645 — Compatible with ADI 25389 | 6V 4.5Ah (4500mAh) AGM SLA Battery with F1 Terminal — Includes 8 F1 to F2 Adapters

Set of four UpStart Battery UB645 replacement units designed as direct substitutes for ADI 25389. Each sealed lead acid (SLA) battery is 6V with a capacity of 4.5Ah (4500mAh) and uses an F1 terminal. AGM construction ensures maintenance-free operation. Package includes eight F1 to F2 terminal adapters so these F1-equipped batteries can be fitted where F2 connections are required.