The Panasonic LR20 is a reliable alkaline battery designed for devices that require a steady and long-lasting power source. These D size cells provide a voltage of 1.5 V, making them suitable for high-drain equipment such as large flashlights, portable radios, and some home appliances. This pack contains 2 pieces, with each battery weighing approximately 170 g and following standard dimensions with a diameter of 33.2 mm and a height of 61.5 mm. This substantial size ensures they fit securely into the battery compartments of your larger electronics, providing the consistent energy needed for daily operation.