![]() ![]() Many brands specify that their CR2032s are leak-proof. Leak-Proof Lithium-Ion Batteries - It’s very rare that fluids leak from a CR2032 battery, especially if it’s not damaged. Regardless, shelf life is the amount of time it takes for the battery to lose 10% of its initial capacity. Under some conditions, the rate may be a little higher. CR2032 batteries generally discharge at about 1% per year. ![]() Shelf Life - Passive discharge limits shelf life in batteries. We’ll list temperature tolerance in each product review. Not every CR2032 battery will tolerate such extremes, but many can handle a very wide range of temperature. Temperature Tolerance Levels - CR2032 batteries have a temperature tolerance from anywhere between -22- and 185-degrees Fahrenheit. Here’s a handy resource to help demystify mAh. What does this mean? Essentially, a CR2032 with a 200 mAh capacity can deliver 200 milliamps of current for 1 hour. Many CR2032 batteries have between 190 and 225 mAh capacities. It can vary by half a volt or so and might read differently depending on the battery’s age and use.Ĭapacity is measured in milliampere-hours (mAh). In our experience, we've never encountered an alarming situation like a leak, explosion, or early burnout.Ĭapacity and Voltage - As a general rule, CR2032 battery voltage is 3V. Our experience typically involves watches we’ve performed most of our testing involving remotes, LED mood lighting, etc. We’ve tested various lithium CR2032 batteries during the everyday process of reviewing gear. As one of our experts succinctly said, “I just want a battery that I can forget about for a year.” Wouldn’t that be nice? We also looked at reliability it doesn’t matter how long a battery’s supposed to last if it burns out before then. How We PickedĢ qualities really stand out in CR2032 batteries: reliability and lifetime. Whether you want long CR2032 battery lifetime for your watch, or a rechargeable entry for your home lighting, it’s here. Who This is ForĪnyone who uses CR2032 batteries and wants to find the ones that work best for them. We’ve tested some of the longest lasting CR2032 batteries, as well as some of the cheaper entries. As we’ve gone about finding and reviewing the best gear on the market, some of the best supporting tech has come to the surface. Testing watches, electronics, and general home gear gives us a consistent need for CR2032 batteries. There is a difference in performance, but it could definitely save heavy coin battery users money over the long haul. It’s important to note it’s possible to misuse the charger: putting regular CR2032s in it can cause a short circuit.Īll things being equal, XLUX’s LIR2032 rechargeable battery set promises better sustainability than single-use CR2032s. Some users are skeptical about the charger. The charger indicates battery status with LED lights. ![]() Users should calibrate their expectations accordingly the trade-off is a re-usable, lower performing item versus a single-use, potentially highly performing item. That being said, they won’t last as long. LIR2032s use higher voltage because their capacity is not as high as CR2032s. That means they may not be compatible with every device. Be aware, there are a couple critical performance differences between the two.įirst, rechargeable LIR2032s sometimes achieve higher voltage than CR2032s. Instead of churning through CR2032 batteries (dropping the dead ones off at an approved recycling center), try a rechargeable LIR2032. Duracell’s CR2032s are among the internet’s most popular.īe sure to also browse our list of the best rechargeable AAA batteries for more quality products like this. Though a few quality control issues seem to exist, they’re bound to pop up when you sell this many batteries. Despite the results, we have to admire their commitment to testing.ĭuracell’s CR2032 batteries promise to keep well on the shelf and perform solidly when installed. One reviewer went so far as to taste it - that individual was disappointed, unfortunately, because the initial shock of tonguing the battery precluded the bitter taste. Duracell deploys its proprietary Duralock Power Reserve Technology to make its batteries last in storage (and to give users the confidence to buy in bulk.) The tech, first released in 2012, consists of claimed ingredient purity, a unique separator to protect the anode and cathode, and a highly corrosion-resistant exterior.įinally, Duracell coats each lithium CR2032 battery with something that tastes bitter, to deter children. ![]()
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