Simply buy Button cell / special battery CR2032 CR2032

CR2032 Battery holder - vertical Botland - Robotic Shop

Battery Holder Cr2032 Connector 2 Cr2032 Button Battery Holder - 5 Pcs Cr2032 - Aliexpress

Everything You Need To Know About The CR2032 Battery

Coin Cell Battery - 20mm (CR2032) - PRT-00338 - SparkFun Electronics

Small, But Powerful: Each one offers a cell size of 2032 battery (measures 0.78 inch in diameter by 0.12 inch thick). It is lightweight and small in size, but each lithium battery offers 3-volts of power and a 230 mAh capacity for impressive performance. Handy Replacement: Use the CR2032 lithium 3v cell as a convenient replacement for BR2032, DL2032, and ECR2032 batteries.

LisBiya CR2032 Lithium Battery 3 Volt Coin Button Cell 200 Pack

Coin Cell Battery CR3032 3V Lithium, Replaces DL3032, BR3032, KL3032

Tenergy 3V CR2032 Batteries, Lithium Button Coin Cell 2032 Battery, Compatible W

5PCS CR2032 Button Coin Cell Battery Socket Holder Case Cover With Switch.

A CR2032 Battery Eliminator