Keep important devices running well with these Toshiba Alkaline Battery packs. It's designed for use in car garage door openers, Bluetooth headsets and remote controls. You get 10 pieces in this 12V alkaline battery set to have spares on hand for when you need them. They're designed to deliver more power than a AA battery and to discharge it quickly as needed. Toshiba alkaline batteries come individually packed on blister cards in a strip. This helps to prolong their shelf life, making them ideal for storing in a home emergency kit.