The product is a pack of 10 GP 189 LR54 V10GA 1.5V Alkaline Button Cell Batteries with the longest expiry date. These batteries are non-rechargeable and have a weight of 16 grams. They are ideal for low drain applications and have a voltage of 1.5V. Made by GP, these batteries are reliable and long-lasting, making them suitable for use in various electronic devices.
