This product is a pack of 24 Energizer AA Power Alkaline Batteries in a box. The batteries are 2/3 AA size with a voltage of 1.5V and have a long expiry date. They are suitable for use in both high drain and low drain devices. The brand is Energizer and the chemical composition is alkaline. The batteries are LR3/MN1500/MIGNON/STILO type, ideal for various devices. Longest Expiry