12V 7Ah Battery, Sealed Lead Acid battery (AGM), B.B. Battery BP7-12, VdS, 151x65x93 mm (LxWxH),
Mighty Max Battery 12V 1.3Ah, F1 Terminal, SLA AGM Battery Rechargeable Sealed Lead Acid 1213 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Amazon.com: 12 Volt 7Ah Battery-Battery [Electronics] : Health & Household