Energizer 3v lithium coin cell battery energizer 626983 the energizer 626983 is a lithium button cell cr2016 and one of the most popular the lithium coin cell battery offers advantages over chemical systems its most significant advantages are the extended shelf life good low temperature operation high operating voltage and excellent leakage resistanceideal for calculators cameras electronic wristwatches and remote keyless entry energizer 626983 cr2016 3v lithium coin cell battery x1