Durastart’s 6-volt batteries come with a 100% satisfaction guarantee! Containing no mercury or cadmium and designed for high performance power, these heavy duty and versatile ultra alkaline batteries are perfect for a variety of electronic equipment such as lanterns, torches, emergency lighting, farm equipment and more. This package comes with two, 6-volt high quality batteries that offer a long service life and increased reliability – ensuring that your devices remain powered for long periods of time and when they’re needed most.