The next two numbers in the sequence (in this instance ‘2’ and ‘0’), provide us information about the diameter of the coin in millimetres. So, this particular battery has a diameter of 20mm. While some batteries can deliver high amounts of current but do not last very long, which make them ideal for devices such as power tools. In general, higher voltage and current capacities mean that the battery will last longer before it needs to be recharged. But this also means that the battery will be larger and more expensive. Note, as we saw earlier the first letter ‘C’ represents the chemical composition of the battery. The rechargeable version of the CR2032 is known as LIR2032.

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When it comes to recharging a CR2032 battery, you will only be able to recharge the rechargeable version as they are designed to be charged and used multiple times.Second, you should only recharge the battery when it is completely discharged. Recharging a partially discharged CR2032 battery can shorten its lifespan; Another way to test a CR2032 battery is to use it in a device that uses CR2032 batteries. If the device powers on and seems to work normally, then the battery is probably still good. Do lithium-ion batteries degrade if not used?

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Capacity is measured in milliampere-hours (mAh). Many CR2032 batteries have between 190 and 225 mAh capacities. What does this mean? Essentially, a CR2032 with a 200 mAh capacity can deliver 200 milliamps of current for 1 hour. Or 400 for half an hour. Or 100 for 2 hours. And so on. Get the picture? Most chargers will have a light that turns green when the battery is done charging. Overcharging the battery may shorten its lifespan. The label should say “Do Not Charge” or something similar. If the label does not say anything about charging, then the battery is probably not rechargeable. Yes, you’ll need special coin battery charging gear that can handle CR2032 batteries, particularly the CR2032 battery size. Because rechargeable CR2032 batteries are built of Lithium-Ion, they require even greater attention when it comes to charging.

Can You Recharge CR2032 Batteries?

If the positive and negative terminals are different colors, then the battery is probably not rechargeable. Do Rechargeable CR2032 Batteries Require Special Chargers? The ‘LI’ represents the chemical composition of Lithium-Ion, which is the most used chemical for rechargeable batteries. Some CR2032 batteries are designed to be used once and then thrown away. These are primary cells and cannot be recharged.