4-Pack UpStart Replacement for Emergi-lite M3G / UB645 — 6V 4.5Ah (4500mAh) Sealed AGM SLA Battery with F1 Terminals + 8 F1 to F2 Adapters

Pack of four UpStart Battery replacements compatible with Emergi-lite M3G and designed as UB645 substitutes. Each battery is a 6V sealed lead acid (SLA) AGM unit with a rated capacity of 4.5Ah (4500mAh) and F1 terminals. This set includes eight F1 to F2 terminal adapters to fit equipment requiring F2 connections. Ideal as direct replacements where UB645 or Emergi-lite M3G batteries are specified, these maintenance-free AGM cells deliver the same nominal voltage and capacity for emergency lighting and backup applications.