Adafruit Industries Adafruit Industries 12mm Coin Cell Breakout Board
Simple but effective - this breakout board has a CR1220 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 12mm Coin Cell Breakout Board
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