We depend on the CR2032 battery for small-scale power solutions. It’s tiny, just 20mm wide and 3.2mm tall, but it packs a punch when it comes to energy. This lithium coin cell battery gives a solid 3 volts consistently, making it our first choice for devices that need lasting and reliable power. You’d be surprised where you’d find it – in watches, remote controls, medical gadgets, you name it.