Coin cell battery holders are essential components used to securely hold and connect coin cell batteries in various electronic devices. They play a critical role in consumer electronics, medical ...

[Jeremy] is building a wireless Wii nunchuk, so he needs a small battery that won’t short out or get punctured in the confines of the controller body. A single coin cell holder is already a bit ...

It involves a bit of behind-the-scenes action in the form of a battery holder that you palm ... from the ring and connect to a printed coin cell holder.