Ultra High Power Lithium BatteryFor applications with a high current pulse and continuous drain, Duracell® offers high rate 3- and 6-volt lithium batteries. They deliver long-lasting power to keep up with today’s high-tech devices. Longer lasting to increase productivity. Wide operating temperature extremes (-40°F to 140°F ). Battery Type: Lithium; Battery Size: CR2; For Use With: Digital Cameras; Hands Free equipment.