1.5 -AA Batteries 4 Pieces Long-Lasting Performance: Premium alkaline chemistry provides sustained, reliable power for both high and low-drain devices. Extended Validity Period: Designed with a long shelf-life so you can confidently stock up and store them for future emergencies. Eco-Friendly & Safe: Manufactured with 0% Mercury and 0% Cadmium, making them a safer choice for your home and the environment. Leak-Resistant Design: Built to protect your valuable electronics from damaging leaks during use and storage.