4-Pack Compatible Alexander G640 / UB645 6V 4.5Ah (4500mAh) SLA AGM Replacement Battery — F1 Terminals, Includes 8 F1 to F2 Adapters — UpStart Battery Brand

Set of four UpStart replacement batteries compatible with Alexander G640 and UB645 universal sealed lead-acid applications. Each battery is 6V with a capacity of 4.5Ah (4500mAh) and uses F1 terminals. These AGM / SLA replacement cells come as a 4x pack and include eight F1 to F2 terminal adapters for flexible installation. UpStart Battery Brand.