Adafruit Industries Adafruit Industries 20mm CR2032 Coin Cell Breakout Board
Simple but effective - this sewable breakout board has a CR2032 coin cell battery holder soldered on and 0.1" pitch breakout pins for easy connecting. Great for powering very low-current projects, or adding a battery backup circuit to a real-time-clock or similar.
Adafruit Industries 20mm CR2032 Coin Cell Breakout Board
Usually ships in 5-7 business days.