23A alkaline batteries used the international advanced laminated technology, compared with the general 12V battery is different. IN THE BOX: 5-pack of 23A alkaline batteries for powering small electronic devices 23A 12 Volt Battery is Primarily Used in Garage Door Openers Remote Controls, Doorbells , Car Alarms Remote Controls , Burglar Alarms Remote Controls, Lighters , Keyless Entry Access Control Devices , Toys , and other Electronic Devices High Quality: Tested under Strict Quality Control Standards. CE and ROHS Certified.