The 391 sized silver oxide button battery is a size geared towards specific devices from watches and small electronic toys to medical devices like glucometers and digital thermometers. BatteryJunction has trusted brands and everyday low prices that will bring devices back to life. It is also possible to buy these batteries in bulk at even more discounted prices.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!
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