The Duracell AAA/4 (LR03, MN2400) battery is a compact, 1.5V alkaline cylindrical cell designed for reliable, long-lasting power in everyday electronic devices. With a standard AAA size (10.5 mm diameter and 44.5 mm length), it fits a wide range of products such as remote controls, wireless mice, flashlights, clocks, and toys.

These non-rechargeable batteries feature alkaline chemistry, providing stable voltage and high energy density. Duracell's trusted manufacturing ensures up to 10 years of shelf life and leak-resistant performance, making them ideal for both regular use and emergency storage.

Duracell AAA/4 batteries are sold in packs of four (hence “/4”) and are interchangeable with other designations like LR03, MN2400, and AM4, conforming to global standards for AAA battery size.