Duracell Procell Intense battery line is a professional grade premium primary battery (non-rechargeable). Using pulse power technology, the result of a unique cathode–anode structure, Procell Intense batteries deliver up to 15% more power than similar cell sizes. Rated for operating temperatures of -4°F to 129.2°F Procell Intense batteries provide longevity of use resulting in superior power performance and duration. Available cell sizes include AA, AAA, C, D and 9V. Battery energy capacitance is 1.5 volts (AA, AAA, C & D cells) and 9 volts. Suitable for high drain devices. Available in case quantity purchase.