Mighty Max Battery ML9-12- 12 VOLT 9 AH SLA BATTERY- PACK OF 2 Rechargeable Sealed Lead Acid 1290 Backup Power Batteries (2-Pack) in the Device Replacement Batteries department at Lowes.com
12V 9Ah Battery, Sealed Lead Acid battery (AGM), B.B. Battery HR9-12, 151x65x94 mm (LxWxH), Terminal
Power-Sonic PS-1290 Sealed Lead Acid Battery 12V 9Ah