I Tested the CR2032 Lithium Coin Battery: Here’s What You Need to Know
I’ve always been fascinated by the tiny powerhouses that keep so many of our everyday gadgets running smoothly, and few batteries are as quietly essential as the CR2032 lithium coin battery. Despite its small size, this unassuming disc packs a surprising punch, powering everything from watches and calculators to key fobs and fitness trackers. As…