Bring your old watches and calculators back to life with this CR2025 Battery. It can also be used in all types of electronic devices mainly as memory and for RTC backup. This lithium cell battery is designed to have a long-term stable operating voltage at low load discharge to make sure it lasts. And with three volts it has about twice the voltage of an alkaline button battery or a silver oxide battery. This battery also employs a leak-resistant organic electrolyte which gives it better leak resistance for added safety.