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LR43, LR44, and LR41: Can You Swap LR44 Batteries?

Mar 10, 2025 878

LR41, LR43, and LR44 are all alkaline batteries. They come from the same factory, but they’re actually a bit different from each other. Do you know where these batteries are usually used? Let’s take a look at the differences between them and why you shouldn’t try to swap them out.

LR43 VS LR44 VS LR41

LR43 VS LR44 VS LR41

What Are LR43 Batteries?

LR43 batteries are small, round alkaline batteries that give off 1.5 volts. They work best in temperatures from 0°C to 60°C, with 20°C being the sweet spot. These batteries are known for being reliable, having good capacity, high energy density, and long-lasting performance.

You’ll find LR43 batteries in lots of everyday gadgets like watches, toys, remote controls, and calculators. Other names that mean the same thing as LR43 are SR43, AG12, LR1142, 386, 301, and 186.

Even though LR43 and LR44 look similar, they’re not the same. LR44 actually has a different chemical makeup and is a silver oxide button cell, whereas LR43 is an alkaline battery. LR44 batteries go by other names like SR43W, SR43, SR43SW, 386, 301, 186, AG12, and SG12. Also, no mercury is found in LR43 batteries, which is a good thing. Just keep in mind that product packaging might have more details than what we see online.

What Battery Replaces LR44?

If you're looking for a battery that’s the same size and power as the LR44, you might find different names on the packaging, but the batteries are basically the same. Duracell 76A, Energizer A76, and AG13 are all direct replacements for LR44 and can be swapped in without any issues.

There are also batteries that have the same size as LR44 but work a little differently because of their chemistry. These batteries include 303, SR44, SR44SW, and 357 silver oxide batteries. Even though they look the same, silver oxide batteries perform differently—they’re better for low-drain devices like watches. People often wonder if the 357 battery is the same as LR44, and while they’re similar, the 357 tends to cost more and might not work in every device that needs an LR44.

What Are LR41 Batteries?

LR41 batteries are tiny alkaline button cells. They’re super common and made by big names like Toshiba and Maxell, but smaller companies like Tianqiu also produce them. Other brands, like Energizer, make batteries in the same size as LR41, but sometimes with different materials, like silver oxide.

LR43 VS LR44 VS LR41

LR41LR43LR44
Battery Nominal Voltage1.50 Volts1.5V1.5V
Battery Capacity≈ 25-32mAh110mAh150mAh
Battery Operating Temperature0°C – 60°C-10℃ to 60℃-10°C to 60°C
Battery Diameter7.9mm11.6mm11.6mm
Battery Height3.6mm4.2mm5.4mm
Battery ChemistryAlkaline (similarly sized variants in silver oxide)AlkalineAlkaline
Battery Weight0.57g1.6g2.0g

LR43 Battery Features:

  • Great value for the price: The use of manganese dioxide as the cathode material helps make it a cost-effective option.
  • Steady performance and high-drain pulse capabilities: Even during high-drain pulses, the battery maintains a steady voltage output.
  • Excellent leak resistance: Thanks to Murata's special sealing design and treatment, these batteries are very resistant to leaks.
  • RoHS compliant: This battery is free of Mercury (Hg), Cadmium (Cd), and Lead (Pb), meeting EC regulations (2006/66/EC & 2013/56/EU), though the battery pack itself isn’t covered by the RoHS directive.

LR44 Battery Features

  • Strong high-drain discharge: It can handle large currents without a drop in voltage—about three times better than standard batteries.
  • Safety-first design: Using patented mercury-free technology, this makes the LR44 safe for things like medical devices.
  • High-quality and reliable: Made in Japan with over 40 years of experience, these batteries are built to last.

LR41 Battery Features:

  • Nominal voltage of 1.5V and capacity of 25-32mAh: Some brands might advertise a higher capacity, but in practice, these batteries are often used with low currents, so their actual capacity is usually in this range.

LR43, LR44, and LR41: Where They’re Used

  • LR43 Uses: These are great for small electronics like watches, alarm transmitters, children's books, calculators, sugar level detectors, and lots of toys.
  • LR44 Uses: LR44 batteries power all sorts of devices, including medical equipment, stopwatches, pedometers, sporting goods, LED lights, pet collars, games, toys, garage door openers, PDAs, hearing aids, keyless entry systems, car alarms, thermometers, motherboards, laser pointers, calculators, and watches.
  • LR41 Uses: LR41s are commonly used in applications that need small, reliable power. You’ll find them in things like digital thermometers, calculators, laser pens, flashlights, security systems, wristwatches, medical devices, memory backups, and battery packs.

LR43 VS LR44 VS LR41: Alternatives

LR43 Battery Equivalents:

If you’re looking for a replacement for the LR43, you can use these: SR43, AG12, LR1142, 386, 301, and 186.

LR44 Battery Equivalents:

LR44 batteries are alkaline, and if you need a replacement, these work: A76, AG13, G13, LR1154, L1154, and 154. You can also swap them with silver oxide batteries like SR44, SR44SW, SR44W, SB-B9, 303, and 357.

LR41 Battery Equivalents:

For LR41 replacements, try these: 192, 92A, LR736, and AG3. The 384, SR41, and 392 silver oxide batteries are the same size as LR41, but they’re not exact matches because they use different chemistries. So, while they look the same, they might perform differently in certain devices.

LR43 VS LR44 VS LR41: Dimensions

LR43 VS LR44 VS LR41: Dimensions

LR43 VS LR44 VS LR41: Dimensions

Frequently Ask Questions

Can LR43, LR44, and LR41 batteries be swapped?

Because they’re different in size, voltage, and weight, you can’t really swap LR43, LR44, and LR41 batteries with each other.

LR43 batteries are a bit slimmer than LR44 batteries. If you can fit them properly in your device (making sure they’re the right number and the polarity’s correct) and get a good contact, it might work. But keep in mind that using LR43 could result in shorter usage times than with LR44 batteries.

LR41 is smaller than LR44 and has a lower energy capacity. LR41 is more like the 392 battery, while LR44 is similar to the 357.

Can you replace an LR43 battery with an LR44 battery?

Unfortunately, you can’t use an LR44 as a replacement for an LR43. They’re different sizes and voltages, so they’re not interchangeable. It’s really important to use the correct battery type for your device to avoid damage. If you need a replacement, make sure to get the exact type the manufacturer recommends.

Do LR41 and LR44 batteries share similarities?

Not really. LR41 is much smaller than LR44 and has a much lower energy capacity. Check out the Maxell factory specs below for the different alkaline button batteries you might come across.

What other names are there for LR44-sized batteries?

LR44 batteries go by several different names, including:

  • LR44, LR44G, LR44GD, LR44H
  • LR1154, L1154, L1154C, L1154F, L1154G, L1154H
  • 6135011748057 (NSN)
  • 1166A (Part Number)
  • AG13, A613, AG14, AG-14, G13A, G13-A
  • 157, 303, 357
  • A76, AG76, GDA76, GP76A, GPA7, GPA75, GPA76, GPS76A, 1128MP, 208-904, A-76, CA18, CA19, CR44, D76A, KA, KA76, MS76H, PX76A, PX675A, RPX675, RW82, SB-F9, V13GA

LR44 and AG13 are both alkaline batteries, and they’re interchangeable along with all the ones listed above.

Also, numbers starting with ‘S’ (like SR44) refer to silver oxide batteries that are similar in size and will work for most applications. They cost more, have a flatter voltage curve, and usually offer a bit more capacity.

If you’re interested in pricing and stock info for LR41, LR43, or LR44 batteries, check out www.jmbom.com.

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Christopher Anderson

Christopher Anderson has a Ph.D. in electrical engineering, focusing on power electronics. He’s been a Senior member of the IEEE Power Electronics Society since 2021. Right now, he works with the KPR Institute of Engineering and Technology in the U.S. He also writes detailed, top-notch articles about power electronics for business-to-business electronics platforms.

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