GP high-performing lithium coin batteries CR1220 are energy-dense and is crafted to deliver long-lasting superior power for your miniature specialty devices including car keys, calculators, smart watches, garage door openers and more. 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 -10°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.