5-Pack Compatible National Battery C12C / UB645 Replacement — UpStart 6V 4.5Ah (4500mAh) Sealed Lead Acid AGM Battery with F1 Terminals — Includes 10 F1 to F2 Adapters

Five UpStart replacement batteries for National Battery C12C and UB645 applications. Each unit is a 6V sealed lead acid (SLA) AGM battery rated at 4.5Ah (4500mAh) and is fitted with F1 terminals. This bundle includes 10 F1 to F2 terminal adapters to accommodate devices requiring F2 connectors. Pack contents: 5 x UB645 compatible batteries (UpStart brand), 10 x F1→F2 terminal adapters.