The Coin Cell Battery Holder - 20mm (Sewable) is a smart, user-friendly solution designed to hold the commonly used CR2032 type battery. This holder comes with a unique pop-in, pop-out feature that simplifies the process of changing the battery. What sets it apart is the small hole in the feet of the holder, allowing it to be sewn directly onto fabric without any need for modification. Sparkfun has truly created a product that is as practical as it is innovative.The Coin Cell Battery Holder is perfect for a variety of applications. Whether you're working on a wearable tech project, a DIY gadget, or any other craft that requires a power source, this holder is an excellent choice. Its sewable feature opens up a world of creative possibilities, allowing you to incorporate it seamlessly into clothing, accessories, and more.What makes the Coin Cell Battery Holder truly unique is its user-friendly design. The pop-in, pop-out feature makes battery replacement a breeze, eliminating the usual fuss and frustration. Plus, its compatibility with the popular CR2032 type battery means you'll have no trouble finding replacements.The advantages of using this holder are clear. Not only does it make battery replacement straightforward and hassle-free, but its sewable feature also means it can be easily integrated into a wide range of projects. With the Coin Cell Battery Holder, you're not just buying a product - you're investing in convenience, flexibility, and creativity.For more detailed information, you can refer to the datasheet provided by Sparkfun. This document will provide you with all the technical specifications and guidelines you need to make the most out of this versatile battery holder.