The Energizer C Size 1.5V Industrial High Power Alkaline Battery MN1400 has a long expiry date, making it ideal for use in a variety of devices. This universal battery is compatible with various brands and can be used for medium to high drain devices. With a unit quantity of 4, this battery is perfect for powering a range of devices including solar and wind-powered equipment. The Energizer brand is known for its reliability and quality, making this product a dependable choice for your power storage needs.