Duracell Ultra AA4 Alkaline Batteries with 1.5v nominal voltage level are meant for everyday devices that include remote control, torch, calculator, mouse, toys etc. Compared to zinc carbon batteries, these Duracell products have more power capacity. Dura lock power preserving technology prolongs shelf life of batteries and ensures about their stable operation without any interruption. Rust proof steel shell of these Duracell Ultra AA4 Alkaline Batteries is equipped with aging protected sealing ring to avoid leakage. Long discharge duration of these products guarantees about their stable operation. These are 16 x 1 x 8.9 cm in diameter and these are perfect for industrial as well as consumer application purpose. Small and compact shape, standard density, ease of installation and removal are some of their key features.