UPG 12-Volt 100 Ah Z1 Terminal Sealed Lead Acid (SLA) AGM Rechargeable Battery UB121000 (Group 27) - The Home Depot
Battery 12 Volt Lead Acid
Amazon.com: 12V 7.0AH Sealed Lead Acid (SLA) Battery for PX12072 : Health & Household
Mighty Max Battery ML7-12- 12 Volt 7.2 AH, F1 Terminal Rechargeable Sealed Lead Acid 1270 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com