But what happens when your AirTag batteries die? Or they’re running low, right before a big flight (Spring Break, anyone?). The solution: this 10-Pack of Energizer 3V Lithium Coin Batteries 2032 ...

Betavolt, a Chinese battery firm, has begun mass production of the BV100 - a coin-sized, eco-friendly battery powered by ...

Something to look forward to: A Chinese battery manufacturer has developed a breakthrough, sparking a worldwide race for compact nuclear energy. The innovation is a small coin-sized battery ...