The Westinghouse Lithium-thionyl chloride batteries are the primary batteries with the highest voltage and energy, longest storage life and slowest self-discharge rate. These batteries are ideal for electric devices that require a long-term energy source, such as water, heat and gas meters. A trusted brand, Westinghouse provides a wide array of batteries you can count on, including super heavy duty, alkaline, lithium button cell, hearing aid and rechargeable batteries.