The compact and capable Energizer 393/309 Silver Oxide Watch Battery is one of the safest and long lasting coin cells available! Thanks to its incredibly stable Silver Oxide (Zn / Ag2O) chemistry, the cell is able to hold a charge of 75 mAh, more than enough to power your watch, remote starter, hearing aid, or other small electronics for an extended period of time. With a shelf life of up to 10 years, these batteries are perfect to keep around the house as spares.
Associated Battery Sizes: All Brands, 393/309 Button Cell, Duracell D393, Duracell D393, Energizer 393, Goldpeak 393, Maxell SR754W, Panasonic SP393, Rayovac 393, Renata 393, Sony SR754W, Timex F, Toshiba SR48W, Varta V393