The Energizer Max 9V 2 pack Alkaline batteries are single use batteries designed for various consumer electronics devices. With a voltage of 9V and an expiration date of 12-2030, these batteries are reliable and long-lasting. Made by Energizer, a trusted brand, these 9V block batteries are suitable for a range of devices and are manufactured in Malaysia. The chemical composition of alkaline ensures consistent power delivery for your electronics. Ideal for everyday use, these batteries provide the necessary power for your devices.