The BR-2/3AY7PE is a 120 to 690 VAC, 12V, 0.85AH, non rechargeable, primary, cylindrical Lithium Manganese Dioxide Battery from Panasonic. It is a cylindrical type cell and has a diameter of 2.1 inches and a height of 3.2 inches. This battery is designed for high power applications that require high voltage operation and high pulse operation. The BR-2/3AY7PE boasts high capacity and offers a wide range of operating temperatures providing excellent performance in harsh environments. This battery is also highly reliable with a shelf life of up to 10 years. The BR-2/3AY7PE is extensively used in medical and industrial applications such as medical imaging equipment, defibrillators, ultrasonic therapies, and many more.