UpStart Battery UB645 6V 4.5Ah (4500mAh) AGM SLA - 5-Pack (Compatible with Edwards 1660B) with 10 F1→F2 Terminal Adapters

Pack of 5 UpStart Battery UB645 replacement sealed lead-acid batteries. Each unit is 6V, 4.5Ah (4500mAh) with F1 terminals and AGM (SLA) construction. Sold as a compatible replacement for Edwards 1660B. Also included: 10 F1 to F2 terminal adapters to accommodate alternate connector types. Exact specifications preserved: UB645 model, 6V voltage, 4.5Ah / 4500mAh capacity, F1 terminal type, five batteries total, and ten adapters.