These Energizer Max D Batteries help ensure your large or high-drain devices are running smoothly. This high performance battery gives your electronic devices long-lasting power, so you can continue to work and play without pause. These batteries are also designed not to leak in order to help keep your favourite gadgets protected. This versatile Energizer battery is compatible with electronics that require a D battery to operate, including large flashlights, paper towel dispensers, radios, automatic odorizers, and more. Available in a pack of two, this long lasting battery can be used right away or kept in storage for backup since it can hold power for up to 10 years when not in use.