Amazon.com: LAMPVPATH (Pack of 6) cr2032 Battery Holder Coin Cell Holder, CR2032 Battery Holder with Switch, 2 x 3V CR2032 Button Coin Cell Battery Holder with Leads On Off Switch : Electronics
CR2032 Button Cell Holder - Bare Board, Kit or Assembled
GitHub - sparkfun/LilyPad_Coin_Cell_Battery_Holder-Switched: LilyPad Coin Cell Battery Holder with on/off switch, made by and available from SparkFun Electronics.
CR2032 6v Button Coin Cell Battery Holder Case Box With On / off Switch | eBay