Smoke detectors rely on a hardwired electrical connection or a battery for power to function. A battery-powered smoke detector is the easiest option to install, and many models have long-lasting batteries that never need replacing. That’s true for theKidde 10-Year Worry-Free Smoke Detector, ...
We’ve always made sure that our home was equipped with smoke detectors but the only time they’ve ever gone off was from normal cooking smoke or after an extremely steamy shower. But still, it’s a fun project to learn from and we’ve actually got several of the older 9V battery ...