Lot of 5 batteries Alkaline A27 27A MN27 GP27A E27A EL812 L828 A27BP12V | eBay
Amazon.com: Duracell 27 12V Alkaline Battery, 1 Count Pack, 27 12 Volt Alkaline Battery, Long-Lasting for Key Fobs, Car Alarms, GPS Trackers, and More : Health & Household