* Always have a backup on-hand with the Coin Cell Batteries. * This set of button-cell batteries keep small electronic devices powered up and at your fingertips. * Enjoy long-lasting battery life coupled with safety and reliability with the batteries. * CR2025 Coin batteries provide more power and higher voltage output at 3V. * CR2025 Coin batteries are ideal for wristwatch, LED light, neck light, electronic thermometer, desktop clock, calculator, electronic organizers, electronic toys, keyless entry and scientific instruments.