CR2412/BR2412 3V Lithium Non-Rechargeable Batteries Equivalents and Replacements

CR2412/BR2412 batteries are not the most common button/cell type 3V lithium non-rechargeable batteries on the market, but due to their dimensions, they are often used in small card-like devices, watches, car keys, calculators, memory backup, various medical meters, and similar.

And as such, when the original battery needs replacement, it is very important to find the proper one.

Updated: July 24, 2024.

CR2412/BR2412 Batteries Features and Dimensions

CR2412/BR2412 batteries are button/cell batteries with a diameter of 24.5 mm (~0.96 inches) and a height of only 1.2 mm (0.047 inches). Thus, it is a very thin and light battery, weighing around 2 grams (0.07 ounces).

CR2412/BR2412 batteries have negative electrodes made of lithium and positive electrodes made either of manganese dioxide (CR2412) or carbon-monofluoride (BR2412).

For example, the CR2412 battery is a manganese-dioxide lithium battery, with an operating temperature range between -20°C (-4°F) and 70°C (158°F), a nominal voltage of 3.0 V and a cutoff voltage of 2.0 V. Typical capacity of CR2412 battery is ~100 mAh.

The BR2412 battery is a carbon-monofluoride lithium battery with an operating temperature range between -30°C (-22°F) and 85°C (185°F), a nominal voltage of 3.0V (older models ~2.8V), and a cutoff voltage of 2.0V (older models ~2.25V). The typical capacity of the BR2032 battery is ~85 mAh.

Note: operating temperatures and capacities differ from manufacturer to manufacturer, so be sure to check these values for individual models.

For example, the Panasonic CR2412 battery feature recommended operating temperature range between -30 and +85°C, with the optimal temperature being around 20°C.

Although older BR2412 batteries had slightly lower nominal voltage, newer BR2412 batteries feature initial output voltage very similar to the CR2412 batteries - during operation BR2412 batteries feature more stable voltage than CR2412 batteries.

CR2412 batteries have a very low self-discharge rate, ensuring a shelf life of up to 10 years. BR2412 batteries feature even better shelf life - both types can retain up to 90% of the initial charge even after 10 years of proper storage.

Thus, when used in extra low-drain applications, these batteries can power devices for 10 or even more years and are, as such, used as memory (CMOS) batteries in various devices, including credit card size devices and gadgets, wrist watches, car key fobs, etc.

But, due to their low volume, their total capacity is rather limited - CR2412 ~100 mAh, BR2412 ~85 mAh.

Note: BR2412 batteries are intended for low-drain devices since they don't tolerate pulse/surge discharges very well.

CR2412/BR2412 battery equivalents are usually labeled as DL2412, ECR2412, KCR2412, KL2412, KECR2412, LM2412, etc.

Due to the very flat shape, it is vital to manage these batteries rather gently, holding them by the edges (to avoid any unintentional discharge) and if required, to wipe them with a dry cloth prior to installation.

Note: Due to globalization, certain brands manufacture these and other batteries at different locations around the globe - such batteries should be made to the same specifications, but it appears (at least to me) that CR2412/BR2412 batteries made in Japan have a tendency to outperform batteries made in other parts of the world. But, that's just the author's opinion ... To be 100% sure, check the specs of the batteries that you are interested in and read other people's reviews and opinions...

For example, if your car uses a key fob with a Panasonic CR2412 battery made in Japan, go for the same replacement battery.

Also, if you have Seiko watch or other similar device that uses Seiko BR2412 battery, and it operated well for years, replace the original BR2412 with the same Seiko BR2412 battery.

CR2412/BR2412 Batteries Environmental Impact

Proper disposal of CR2412/BR2412 batteries is essential for both environmental protection and compliance with local waste management regulations.

These coin cell batteries, commonly used in watches, calculators, and medical devices, contain materials that can be harmful if not managed correctly.

Here are some tips on how to properly dispose of these batteries and the potential environmental impact of improper disposal:

Tips for Proper Disposal

• Check Local Regulations: Different regions have different regulations regarding battery disposal. Contact your local waste management or recycling center to determine the specific guidelines for disposing of lithium and other specialty batteries.
• Use Designated Drop-Off Locations: Many communities offer battery recycling programs or have designated drop-off locations specifically for batteries. Retailers such as electronic stores, home improvement stores, and some supermarkets also often provide battery recycling bins.
• Consider a Mail-In Recycling Program: If local options are limited, look for mail-in programs that allow you to send used batteries to a recycling facility. This is often a free service provided by battery manufacturers or recycling organizations.
• Store Safely Before Disposal: Keep used batteries in a non-conductive container, away from metal objects and flammable materials, to prevent short circuits or heat generation until you can dispose of them properly.
• Never Dispose of Batteries in Household Trash: Batteries thrown into household trash can end up in landfills, where they may leak chemicals into the soil and water, posing serious environmental and health risks.

Potential Environmental Impact

• Chemical Leaks: CR2412 and BR2412 batteries are very resistant to leaks, but it is good practice not to risk battery leaks.
• Resource Waste: Improper disposal means the valuable metals and other materials in batteries cannot be recovered and reused, leading to more extensive mining and manufacturing, which has its own environmental impacts.

Proper disposal helps prevent the release of toxic substances and reduces the environmental footprint associated with the production of new batteries.

For Short: if you need a 3V lithium non-rechargeable CR2412/BR2412 battery replacement and you are not sure which one to take, consider CR2412/BR2412 battery from reputable brands (Panasonic, Seiko, etc.) with good user reviews ...

For the most up-to-date offers and prices, feel free to check the CR2412 Battery Amazon link (the link opens in the new window).