l Silver Oxide Button Batteries provide reliable, long-lasting power for your specialty devices. Duracell Silver Oxide Button Batteries are great for devices like glucometers, calculators and car remotes. And you can be assured that they?re batteries you can trust because Duracell is the #1 trusted battery brand. Silver Oxide Button Battery: Duracell's 303/357 Silver Oxide Button batteries provide reliable, long lasting power for your medical devices, watches, toys, electronics and more. | Long Lasting Power: Duracell coin batteries are engineered for long lasting performance. | #1 Trusted Battery Brand: This Duracell 303/357 Silver Oxide Button Battery is equivalent to SR44, SR44W, EPX76, SR44SW, 303, 357, D303/357, V303, V357, SR1154