This 3 Volt Lithium Battery set from Weldcote offers reliable power for your welding helmet accessories, ensuring you stay equipped for any task. Each card contains two batteries that comply with California's biodegradable labeling standards, making them an environmentally conscious choice. With no hazardous materials or heavy metal content, these batteries are safe for both users and the environment, providing peace of mind while you work. Ideal for those in need of dependable energy sources in safety gear, this battery set is a practical addition to your welding toolkit.