Procell lithium button cell 2016 industrial batteries are designed to provide reliable and safe power in professional equipment. Also available in sizes 2032 and 2025. High energy density (3V) with a flat and low self-discharge. Design, safety, manufacture and qualification follow Procell's stringent battery standards, which conform to ANSI and IEC standard requirements. Packed inexpensively. Child-proof packaging: anti-counterfeiting packaging with double blister so that it cannot be opened by children without scissors. Operating temperatures from -20C to 60C.