The Duracell MN2400B6 Coppertop Long-Lasting Power AAA Alkaline Batteries are high-quality single-use batteries designed for a long-lasting power supply. With a chemical composition of alkaline, these batteries are reliable for various consumer electronics and appliances. Manufactured by Duracell Distributing Inc, these batteries are lightweight at 0.16 lbs and compact with dimensions of 4.50 x 0.85 x 3.75 inches, making them convenient for use in a wide range of devices. Trust in the Duracell brand for dependable power storage.