The product is a pack of four Energizer A23 12v MN21 K23A 23A Alkaline Batteries with the longest expiry dates. These batteries have a voltage of 12V and a chemical composition of alkaline, making them suitable for high and low drain devices. With a capacity of 0.5 Ah, these batteries are reliable and long-lasting for various sound and vision applications. The manufacturer warranty ensures that these batteries will maintain their performance for an extended period, making them an ideal choice for devices that require consistent power sources.
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