Amazon.com: HR1234W 12 Volt 7 AmpH SLA Replacement Battery with F2 Terminal : Health & Household
CSB XTV 1285 F2 Battery 12V 8.5Ah Sealed Lead Acid | OSI Batteries
Amazon.com: 12V 9Ah HR1234W Home Alarm Battery by CSB : Health & Household
CSB 12V 9Ah AGM Battery F2 Terminal (2 Pk)
Mighty Max Battery 12V 9AH SLA Replacement Battery for HR-1234W-F2 Rechargeable Sealed Lead Acid 1290 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com