5-Pack Compatible Chloride 6600004 (UB645) 6V 4.5Ah / 4500mAh Sealed Lead Acid Battery (F1 Terminal, AGM/SLA) — UpStart Battery + 10 F1 to F2 Adapters

Set of five replacement batteries compatible with Chloride 6600004 and UB645. UpStart Battery branded universal sealed lead acid units (AGM/SLA) rated 6V, 4.5Ah (4500mAh) and supplied with F1 terminals. Package includes 10 F1-to-F2 terminal adapters to accommodate alternate connector types. Supplied as direct replacements for devices specifying UB645 or Chloride 6600004 batteries.