What You Can Get: 10PCS SR521SW 379 Watch Batteries. Strict quality inspection to ensure that each battery is fully charged..
Long-lasting power, stable 1.5 voltage, low self-discharge characteristics, long-term lock in battery power, 3 years shelf life, 0% mercury, safe and durable..
3.Ideal temperature resistance and excellent storage capacity.
High-quality silver oxide battery--SR521SW Battery, use for watches, remote controls, calculators, toys, electronic desk calendars, flashlights and other electronic instruments..