5-Pack Compatible Battery-biz B661 / Replacement for UB645 — 6V 4.5Ah (4500mAh) Universal Sealed Lead Acid AGM SLA Battery, F1 Terminal — Includes 10 F1 to F2 Terminal Adapters (UpStart Battery)

Pack of 5 replacement batteries compatible with Battery-biz B661 and made as direct replacements for UB645. These Universal Sealed Lead Acid (AGM, SLA) cells are 6V with a capacity of 4.5Ah (4500mAh) and come fitted with F1 terminals. Also included are 10 F1 to F2 terminal adapters for easy installation. Product supplied by UpStart Battery Brand.