Premium quality 3V lithium button cell battery provides reliable power for small electronic items. Free from mercury, cadmium and lead. Operates efficiently in a range of temperatures. Suitable for use in cameras, calculators, watches, toys and other small devices. Premium quality 3V lithium button cell battery provides reliable power for small electronic items. Free from mercury, cadmium and lead. Operates efficiently in a range of temperatures. Suitable for use in cameras, calculators, watches, toys and other small devices.