Rechargeable coin cell batteries are great for all your small projects. They look exactly like regular coin-cell batteries, but in a shocking turn of events you can recharge these little guys ...

Energizer has designed a new lithium coin battery that releases a blue dye immediately upon interacting with moisture such as saliva. The marker offers parents a visible way to determine if their ...

Make sure your smartwatch, remote control, and garage door opener don't run out of power by having the best coin batteries on hand.

A work of art is appreciated for its own sake and we will never tire of seeing stunning circuits from microscopic dead-bugs to ornate brass sculptures. We also adore projects that share the tricks … ...

Watch the video now to learn how to create this cost-effective antenna using a coin battery, and enjoy a wide range of channels with excellent picture quality.

In Insert Coin, we look at an exciting new tech project that requires funding before it can hit production. If you'd like to pitch a project, please send us a tip with "Insert Coin" as the subject ...

The latest device crafted by the prolific maker going by mitxela comprises an LED matrix board, "a bunch of electronics" underneath it, an infrared sensor, a coin battery, and the motor from a CD ...

Ambient Scientific has unveiled its new AI module, the Sparsh board, which operates on a coin cell battery, making it suitable for a wide array of on-device AI applications.

In Insert Coin, we look at an exciting new tech project that requires funding before it can hit production. If you'd like to pitch a project, please send us a tip with "Insert Coin" as the subject ...

The order-of-magnitude improvement in battery life could turn these coin cells into a viable power source for wireless consumer and industrial IoT devices that now can only operate from AA or AAA ...