ALKALINE BATTERIES: 24-pack of 1.5V C cell alkaline batteries; provides long-lasting reliable power FOR EVERYDAY DEVICES: Ideal for powering a variety of battery-operated devices including toys, clocks, flashlights, and more 5-YEAR SHELF LIFE: Improved design offers a 5 year leak-free shelf life; store for emergencies or use right away EASY TO OPEN: Ships in Certified Frustration-Free Packaging SINGLE-USE BATTERIES: These batteries are NOT rechargeable; for reusable options, check out Amazon Basics rechargeable batteries