They have a shelf life of at least 10 years. When you see 2032 on the label, you know it is this size.Ģ032 batteries all carry at least a 3V charge. No other coin cell battery has these dimensions. The 32 comes from their thickness, which is 3.2mm. Therefore, 2032 batteries are 20mm in diameter. Since we’re talking about three types of 2032 batteries today, let’s look at them specifically for a moment.Įach coin cell battery is labeled first by its diameter. They have a low self-discharge rate, and hold charge for long periods of time when not in use. Their charge capacity is given in milliampere hours (mAh).Ĭoin cells have a long service life, from one to 10 years, depending on the type. Compared to their smallest button cell battery cousins, at 5mm, they are quite larger.Īs you can see in the photo above, the size, voltage and country of its manufacturer are stamped right on the coin cell battery itself.Ĭoin cell batteries are single cell, typically disposable (but not always, as we’ll see), and measured in millimeters due to their small size.
They are still small, usually no bigger than 25mm in diameter.
By the time we’re finished, we’ll have made your day easier, I promise.Īnd you’ll know a whole lot more about those tiny batteries that can cause such huge grief.Ĭoin cell batteries are the “larger” varieties of the button cell batteries. We’ll begin with a brief overview of coin cell batteries in general, and then go into each type of 2032 battery in some detail. Today, we’re going to do a somewhat deep dive into that world, examining the three most commonly used batteries for small devices such as watches, keyfobs, games, and medical equipment. So now you’re delving into the wonderful world of the coin cell battery. Your watch just became a useless blank screen on your wrist.Īnd your car’s keyfob has stopped working.Īnd Little Jenny’s retro handheld game console just went dark.Īnd your granddad’s been diagnosed with diabetes and you’re wondering about the maintenance and care of an at-home glucose monitor, so the hospital emergency room stays out of the family’s future.
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