Need reliable power for your small devices? Grab this 15-pack of Sony 317 silver oxide batteries and never run out! These SR516SW coin cell batteries are brand new, unused, and come in their original packaging – just like you'd find at the store. They're perfect for watches, calculators, key fobs, medical devices, and all sorts of electronics that need a steady, long-lasting power source. The best part? They contain 0% mercury, making them a safer choice for you and the environment. Sony is a trusted name in batteries, so you know you're getting quality. Whether you're stocking up for home, office, or hobby use, having a pack of 15 means you'll always have a fresh battery ready when you need it. No MPN or UPC, but they're genuine and ready to power up your gear!