Mighty Max Battery 12V 9Ah Battery for Vision CP1272, CP1290 Rechargeable Sealed Lead Acid 1290 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
CP1290 Non-Medical BATTERY UPS, SEALED LEAD ACID, 12V, 9 AH : PartsSource : PartsSource - Healthcare Products and Solutions
Amazon.com: Vision CP1290 12V 9Ah UPS Battery - This is an AJC Brand Replacement : Health & Household