This 1.55-Volt 377/376 battery uses Silver Oxide technology.
Store in the original packaging until used. Store in a dry place. Batteries have a limited lifetime. If not used for an extended period, they may lose efficiency.
Ensure the polarity matches (+ / -). Do not try to open a battery. Do not dispose of your batteries in a fire. Do not mix different batteries. Do not try to recharge a 377/376 battery. Dispose of your used batteries in suitable containers.