4-Pack UpStart UB645 Replacement for Edwards 1660 — 6V 4.5Ah (4500mAh) AGM SLA, F1 Terminals + 8 F1→F2 Adapters

Pack of four UpStart UB645 Universal Sealed Lead Acid batteries — designed as direct replacements for Edwards 1660. Each battery is 6V with a capacity of 4.5Ah (4500mAh) and comes equipped with F1 terminals. These are AGM (SLA) sealed lead acid units suitable for a wide range of backup and portable power applications. The bundle includes eight F1 to F2 terminal adapters to ensure compatibility with devices using F2 connectors. Brand: UpStart Battery Brand.