The Duracell Plus AA Penlight Blister 4-Pack contains four 1.5V alkaline AA batteries, designed for reliable, long-lasting power in everyday devices like flashlights, remote controls, toys, and digital cameras. Featuring Duralock Power Preserve technology, they offer up to 100% extra life compared to the 2021 IEC AA Digital Camera test minimum average duration (results vary by device). With a 10-year shelf life in storage, these batteries use a superior nylon top closure to prevent leakage and come in 98% recycled, plastic-free packaging. Ideal for high-drain and regular-use gadgets.