4-Pack UpStart UB645 6V 4.5Ah (4500mAh) AGM SLA Battery — Replacement for Rcl RCL3000, F1 Terminals + 8 F1→F2 Adapters

Pack of 4 UpStart UB645 sealed lead acid batteries designed as replacement cells for Rcl RCL3000 devices. Each battery is 6V with a capacity of 4.5Ah (4500mAh) and comes with F1 terminals. These are AGM/SLA maintenance-free batteries built to universal UB645 specifications. Also included: eight F1 to F2 terminal adapters (8 total) to allow alternate connector compatibility. Ideal whenever a direct UB645/F1 connection is required but an F2 terminal is needed instead.