The Energizer E91BP-4 AA Alkaline Batteries are a reliable and long-lasting power source for a variety of consumer electronics devices. With a voltage of 1.5V and a chemical composition of alkaline, these batteries provide consistent and stable power for extended periods of time. The four-count package ensures that you have an ample supply to keep your devices powered up and ready for use whenever you need them. Built by a trusted brand like Energizer, these batteries are a dependable choice for all your battery needs.