Includes 10 AG13 batteries in a convenient blister pack. AG13 batteries are the biggest alkaline button cells with the most capacity so it makes them very popular. You can’t go wrong stocking AG13 batteries for future use. With 10 batteries per pack you’ll have extra to keep around.  Don’t get stuck without power when you need it most. Save money off big name brands plus get more! These batteries ship free from the United States.