Toshiba CR 3V Lithium Coin Cell battery designed to have excellent performance in a small, lightweight battery. Nominal operation voltage of 3 Volts at a wide temperature range. Perfect for watches, fitness, Key FOB's or healthcare devices, and other electronic devices. Additional Details ------------------------------ Product description: Toshiba CR 3V Lithium Coin Cell battery designed to have excellent performance in a small, lightweight battery. Nominal operation voltage of 3 Volts at a wide temperature range. Perfect for watches, fitness, Key FOB's or healthcare devices, and other electronic devices.