The Duracell D 2 batteries are a pack of two size D batteries with a voltage of 1.5V. These batteries have a chemical composition of NiMH and an amp hours rating of 2.5Ah. They are suitable for everyday devices, high drain devices, and low drain devices, making them a versatile option for various applications. The batteries come with a manufacturer warranty of 1 month and have an expiry date of 2028, ensuring long-lasting power for your devices. With a reliable brand like Duracell, you can trust these batteries to provide consistent performance.