The product is a 10-pack of Sony 364 SR621SW silver oxide LR621 batteries with an expiration date of 10/2032. These coin/button cell batteries have a voltage of 1.55 and are ideal for use in various consumer electronics devices. Made in Japan, these high-quality batteries offer reliable power and long-lasting performance, making them a convenient and trusted choice for a variety of applications. Plus, with free tracking included, customers can easily keep track of their shipment and ensure timely delivery.
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