3 Pcs Duracell 309 393 SR48 Watch Calculator 1.5V Silver Oxide Coin Cell Battery

High energy density of silver oxide cells make them ideal for high drain miniature devices, such as watches, thermometers, calculators and handheld games. Silver cells have stable discharge voltage, good shelf life, and the ability to operate over a wide temperature range.3 Pcs Duracell 309 393 SR48 Watch Calculator 1.5V Silver Oxide Coin Cell Battery