The Duracell DL1220 3V Lithium button cell battery is a reliable power source specifically designed for use in hearing aids. With a voltage of 3 volts, this battery provides a constant and powerful energy supply that is essential for the optimal functioning of hearing aids. The battery has a diameter of 1.3 cm and a height of just 0.2 cm, making it a compact solution for devices that require minimal space. It falls under the category of device batteries and is non-rechargeable, meaning it must be replaced after discharge. Weighing only 5 grams, it is lightweight and easy to handle. This battery is offered in a convenient single unit packaging, allowing for easy handling and storage. The Duracell DL1220 is a proven choice for anyone looking for a long-lasting and powerful battery for their hearing aids.