The Ultra MX 2500 is a high-quality AAAA alkaline battery designed for a variety of applications. With a voltage of 1.5 volts, it provides reliable power for devices that require a constant and long-lasting energy source. These batteries are ideal for use in portable devices, toys, remote controls, and many other electronic applications. The Ultra MX 2500 is offered in a convenient sales unit of four pieces, making it an easy solution for the need for replacement batteries. Weighing 40 grams per battery, they are lightweight and easy to handle. The alkaline technology ensures a long lifespan and high energy density, meaning the batteries deliver reliable performance even under heavy use. The Ultra MX 2500 is an excellent choice for anyone who values quality and reliability.