Amazon.com: Interstate Batteries Power Patrol 6V 4Ah Fire & Security Battery (FAS0905) Sealed Lead Acid Rechargeable SLA AGM (F1 Terminal) Fire Alarms, Security Systems : Health & Household
WB634 Sealed AGM Battery 6 volt 3.4 ah Weida
6 Volt 3.4 Ah Battery - Rhino SLA3-6 Sealed Lead Acid Rechargeable