The Duracell Power Boost AA Alkaline Batteries Pack of 40 are high-quality batteries designed for low drain devices. With a voltage of 1.5V and an amp hour of 1.5 Ah, these AA batteries are reliable and long-lasting. The alkaline chemical composition ensures efficient power delivery, making them ideal for various consumer electronics applications. The pack of 40 provides ample supply for extended use, making them a convenient and practical choice for everyday devices.