Silver Oxide Technology: SR621 batteries typically utilize silver oxide technology, providing a stable voltage and reliable power output.
Voltage: SR621 batteries typically have a voltage of 1.55 volts.
Common Use: These batteries are commonly used in small electronic devices such as watches, calculators, key fobs, and various small gadgets.
Long Shelf Life: Silver oxide batteries are known for their long shelf life, making them suitable for stocking up or for use in devices with infrequent usage.
Single-Pack Convenience: The "1B" in the code indicates that the battery is sold individually in a single-pack.