GP 27A 30 pack - A27 12V 27A Remote Control Alkaline Battery, Bulk - Walmart.com
Amazon.com: LOOPACELL 27A 12V Alkaline Battery (Pack of 5) - Long Lasting, Leakproof MN27 Battery for Garage Door Openers, Key Fobs, Heated Socks, Ceiling Fan Remote Control, Alarm Remote Control & More :