The product is a pack of 5 Sony 364 SR621SW silver oxide LR621 batteries, known for their reliability and long expiration dates of 10/2030. These coin/button cell batteries are compact in size and have a voltage of 1.55, making them suitable for various consumer electronics devices. Each battery is made in Japan, ensuring quality and performance. With free shipping included, this pack offers convenience and peace of mind for those in need of reliable power sources for their devices.
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