The Panasonic CR2 3.0 V Photo Power lithium battery provides reliable, long-lasting power to your electronic devices and has a long shelf life. Combines Lightweight materials with Lithium Technology to Create a Long-Lasting Energy for Cameras and other Devices .This batteries were designed to power most digital cameras and is resistant to high temperatures, making it a great choice for outdoor use. They deliver a steady charge and is unaffected by extreme temperatures (high or low). Unlike alkaline batteries, which are prone to leaks, these Panasonic batteries are engineered with leak-resistant features, so there is little risk of them corroding and damaging the terminals of your device. Easily disposable, the lithium battery is also a safer option to have around the home because it does not contain toxic compounds such as lead, mercury, or cadmium.FeaturesNumber of Batteries: 3.0 VoltLithiumRetains power longer than traditional batteriesLong shelf lifeLeak resistant.Panasonic Lithium Coin batteries are low self-discharge and reliable. The lithium component in the battery provides high voltage output. This makes Panasonic Lithium batteries a match for high-energy consuming devices. They are ideal for gadgets and devices like wrist watch, LED light, neck light, electronic thermometer, desktop clock, calculator, electronic organizers, electronic toys and keyless entry.