Adafruit Single CR2032 / 20mm Coin Cell Battery Holder with Switch

This compact coin cell battery holder is perfect for small, portable, or wearable projects. It securely accommodates a single 20mm coin cell, also known as CR2032, providing a 3V nominal output.

Featuring a plastic construction, the holder opens and closes with precision using two tiny screws, ensuring a reliable connection. A 13cm-long plain wire is attached for seamless integration with various circuits, whether through attachment or soldering.

20mm coin cells, popular in items like keychain lights and remotes, are easily accessible and affordable, typically offering a capacity of around 220mAh. For those requiring more power, a version with two battery slots is available, delivering a nominal 6V output.