379 Coin Cell Batteries

379 (SR521SW) are silver oxide cells that are specifically sized in order to power small household and medical devices - from calculators and watches to heart-rate monitors and blood pressure cuffs. BatteryJunction is the place to not only find this niche sized cell, but also a variety of brands that offer this cell at an everyday low price.

Be sure to select each item to see quantity discounts!Wholesale & OEM Volume Buyers: We want to earn your business and are confident that we can offer you the best price, quality and availability; please don't hesitate to contact our sales department!