The product is a pack of two Energizer LR9 Alkaline Button Cell Batteries, each with a voltage of 3V. These batteries are designed for low drain applications and are not rechargeable. With dimensions of 15.5mm in diameter and 5.9mm in height, they weigh 14 grams and are suitable for various sound and vision devices. The LR9 batteries are reliable and long-lasting, making them a practical choice for powering a range of electronic devices.
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