Heavy-duty batteries are designed to provide a high level of power and durability for demanding applications. They are commonly used in devices that require a significant amount of energy, such as power tools, flashlights, and automotive equipment. These batteries are built to withstand harsh conditions and deliver consistent performance over extended periods. Typically, heavy-duty batteries come in various sizes and chemistries, including alkaline and lithium-ion. Their robust construction allows them to handle high drain rates, making them suitable for both commercial and industrial use. Users can rely on heavy-duty batteries for reliable energy in critical situations.