GP Lithium Coin Battery CR2016. GP high-performing lithium coin batteries CR2016 are energy-dense and can deliver 30% more power* for your miniature specialty devices including car keys, remote controls, smart watches, blood glucose monitors, smart home devices, IoT devices, door and window sensors. With remarkable power-preserving properties and a shelf-life of up to 10 years when properly stored in a cool and dry place, you will never be caught with flat batteries. Made to perform even under extreme conditions, it operates reliably from -20°C to +60°C. Safety comes first – these batteries are not only designed to protect your gadgets with leak-proof construction, but also to protect your loved ones with thoughtfully designed child-proof packaging.