This single CR2032 3V output battery holder is excellent for many different hobby or science projects, especially for brush bots.
ACEIRMC 5pcs Button Battery Holder Coin Cell Battery Holder with Switch 1X CR2032 Battery Holder Battery Storage Boxes Cover with Leads On ON-Off Switch Socket Container CR2032 3V-Black : Electronics
JCD 1PCS Single Slot CR2032 CR 2032 Button Coin Cell Battery Holder Case Cover With ON-OFF Switch leads Wire 3V Battery Box - AliExpress
Unique-bargains 2 x 3V CR2032 Coin Cell Button Battery Holder Case Storage W Switch Black 12pcs
BUTTON CELL/ Coin Cell HOLDER WITH SWITCH FOR DIY
New 5PCS Single Slot CR2032 CR 2032 Button Coin Cell Battery Holder Case Cover With ON-OFF Switch Leads Wire 3V Battery Box - AliExpress
HALJIA 10Pcs Portable 3V CR2032 CR2025 General Coin Button Cell Batter
2 x 3V CR2032 Coin Cell Button Battery Wired Holder Case Storage w Switch Black
Evan Designs 3VCCHS 3 Volt Coin Cell Holder, Type: with Switch / #batteries with Each Holder: No Battery / Wire Length: 8 inch Wire
10 PCS ON/OFF Switch 2 x 3V CR2032 Cell Button Battery Holder for LED
EveryMarket
LAMPVPATH Pack of 4 cr2032 Battery Holder Coin Cell Macao
Single section U shaped Cr2032 Button Battery Box 3v Button - Temu
Single CR2032 Cell Button Battery Holder with On / Off Switch
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 Le
2 x CR2032 Coin Cell Battery Holder - 6V output - On/Off switch : ID 783 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits