The Energizer 1216 CR1216 3V Lithium Coin Cell Battery is a high-quality single use battery with a long expiry date. This coin cell battery, suitable for various devices in the Sound & Vision category, is manufactured by Energizer and guarantees the longest expiry date possible. With its lithium-based chemical composition and 3V voltage, this battery is a reliable and durable power source for a wide range of applications. Whether used for hearing aids, watches, or other electronic devices, this coin cell battery by Energizer offers dependable and reliable power storage.