This pack includes 2 x C 1.5V Zinc Carbon Batteries LR14, manufactured in China by Panasonic. These heavy-duty cell batteries are suitable for various purposes and compatible with sound and vision devices, as well as other electronic gadgets. The brand of these batteries is trusted for its quality and reliability. The chemical composition of the batteries is Zinc-Carbon, and they have a voltage of 1.5V. These batteries are perfect for those looking for a cost-effective solution for their power needs.