High quality:Tested under strict quality control standards ensure longer working span and long lasting power.
Cell size: CR2032, 3 volt.
Lot of 20 CR2032 3 volt lithium button cell coin battery.
Works for CR2032 battery operated string lights, copper string lights, starry lights, toys , games, watches, cameras, calculators etc.
Can not be used for electronics like car remotes which require high current above 400