Source 3v cr2032 coin cell battery holder smd RGB led with on off switch on m.alibaba.com
Lilypad Arduino -10 Pack of Coin Cell CR2032 Battery Holders with Switch - Save Batteries, Switch Off LEDs-Ideal for Schools & Large Projects, Pack of 10 - Walmart.com
Amazon.com: Alinan 5pcs Button Battery Holder Coin Cell Battery Holder with Switch CR2032 1 X 3V Battery Holder Battery Storage Boxes Cover with Wires On ON-Off Switch Socket Container (Black) : Electronics
2 x CR2032 Coin Cell Battery Box w/ On-Off Switch & Plain Wires : ID 4988 : $1.50 : Adafruit Industries, Unique & fun DIY electronics and kits
AMX3d Jewel LP LED with Coin Cell Battery Holder - 5 Low Profile Jewel LEDs Compatible with Lilypad Arduino Projects - 5 LED Kit with 1 Battery Holder and 5M Conductive Thread, Color White - Walmart.com
10 x 3 V COIN CELL BUTTON BATTERY HOLDER WITH SWITCH AND LEADS - Science2Life