Vinnic Extra Heavy Duty AA Batteries are designed to provide reliable power for a variety of devices. Each battery is 1.5V and features a zinc chloride composition, ensuring consistent performance. This pack includes 40 batteries, making it a convenient choice for powering multiple devices or for long-term use. These batteries are mercury, cadmium, and lead-free, promoting environmental safety. Manufactured by Vinnic & Player Batteries in China, they are an excellent option for everyday electronics that require AA batteries.