The Amazon Basics 8-Pack AAAA Alkaline High-Performance Batteries are reliable and long-lasting power sources for various electronic devices. With a voltage of 1.5V and a chemical composition of alkaline, these batteries offer consistent performance for extended periods of time. Ideal for use in consumer electronics, these AAAA batteries provide dependable power for devices that require a reliable energy source. The pack includes 8 units, making them convenient for stocking up on batteries for different devices.