Do you want a reliable battery with high capacity for long-term use? This 20pcs CR-2450 3V Button Cell Lithium Batteries Silver with long-lasting and continuous power source is your perfect solution and will help you out of the trouble. Featuring high energy density, long life span and constant power source, this battery will be a good companion of your electronic device wherever you go. You will not be frustrated with power shortage, if you have this powerful battery. Made of reliable material, you can rest assured to extend the runtime of your device with this battery! SpecificationsBattery Type CR-2450 Voltage 3V Weight 205g Compatibility Toys, calculators, cameras, watches, games and other electronic devices Package Includes4 x 5pcs CR-2450 3V Button Cell Lithium Batteries Silver