Shelf Life: 4 years. Most of our products produced in recent month
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<br />World Longest Lasting Mercury Free Hearing Aid Battery
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<br />Recommended by 7 of 10 Hearing Health Professionals
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<br />Mercury Free formula with higher voltage for quick start-up
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<br />Superior cell design that resists swelling and leakage, providing optimal performance and greater consistenc
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<br />Also known as : A312 .
<br />Thickness: :3.6mm
<br />Diameter: :7.9mm
<br />6pcs/blister card,10 blister cards,60 pcs/box