Long Way 3FM4 6V 4AH Rechargeable Valve Regulated Lead Acid Battery – Pentaras Motors
Long Way LW-3FM4.5 6V 4.5Ah Sealed Lead Acid Battery - This is an AJC Brand Replacement : Health & Household - Amazon.com
Long Way LW-3FM4.5 6V 4.5Ah Replacement Battery (1 Pack)
Mighty Max Battery Replaces cp0660 gp645 lcr6v4p hk-3fm4.5 wp4-6 Rechargeable Sealed Lead Acid 645 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com