5-Pack UB645 Replacement for Edwards 1663 — 6V 4.5Ah (4500mAh) AGM SLA with F1 Terminals — Includes 10 F1 to F2 Adapters (UpStart)

Five-pack of UB645 universal sealed lead acid replacement batteries compatible with Edwards 1663. Each battery is 6V with a 4.5Ah (4500mAh) capacity, built as AGM/SLA chemistry and fitted with F1 terminals. Sold under the UpStart Battery brand. Includes 10 F1 to F2 terminal adapters to support devices requiring F2 connectors.