4-Pack Compatible Johnson Controls JC640 / UB645 6V 4.5Ah (4500mAh) Sealed Lead Acid Battery F1 Terminals (AGM/SLA) - UpStart Battery Brand, Includes 8 F1-to-F2 Adapters

Four replacement batteries compatible with Johnson Controls JC640 and UB645 models. Each unit is a 6V sealed lead acid (AGM/SLA) battery rated at 4.5Ah (4500mAh) and equipped with F1 terminals. Supplied by UpStart Battery Brand, this bundle includes eight F1 to F2 terminal adapters for applications that require F2 connections. Specifications at a glance: Quantity: 4; Voltage: 6V; Capacity: 4.5Ah (4500mAh); Terminal: F1; Chemistry: AGM / SLA. Designed as direct UB645/JC640 replacements.