LR44 vs AG13: Are They the Same? Differences, Compatibility, and Equivalents

LR44 vs AG13: Are They the Same?

When buying button cell batteries, LR44 and AG13 are two of the most common models people encounter. Due to their identical size and similar labeling, many wonder if these two batteries are interchangeable. In this article, we'll cover their similarities, differences, compatibility, and help you make the best decision for your device.

Specifications and Chemistry

What Makes Them Similar?

Both LR44 and AG13 are button-type batteries with the exact same dimensions: 11.6mm in diameter and 5.4mm in height. This means they can physically fit in the same battery compartment. They are often used in:

• Toys and laser pointers
• Calculators and digital thermometers
• Small LED devices and clocks

Key Differences

Despite their similar size, the difference lies in labeling and sometimes in chemistry. AG13 may refer to either alkaline or silver-oxide versions, depending on the manufacturer, whereas LR44 is almost always alkaline.

Here are LR44 battery crossed to equivalents

There are numerous equivalents to the LR44 battery, such as the AG13, A76, 357, and 76A batteries. Though these equivalents are interchangeable in most applications, they may have slightly different MILLIAMP HOURS in one or a number of applications. Knowledge of such options enables customers to acquire compatible replacements with ease and maintain the operation of their electronic products.

• LR44 battery is synonymous with the zinc-air 675 battery, and if a LR44 battery is unavailable as a power source, then zinc-air 675 batteries are a fine replacement option.
• 357 battery has a diameter of 11.6 millimeters, identical to the LR44 battery. Although the rated voltage for the 357 battery is 1.55V, which is just a little higher than 1.5V for the LR44 battery, it can be used as a substitute for the LR44 battery.
• AG13: This is also a popular stand-in for LR44 battery, mainly in toys and electronics.
• A76: This is the most common equivalent model, which is labeled in "Duracell" battery. widely used in consumer electronic.
• 157: This is the silver oxide model of the equivalent battery, providing higher usage life and more stable voltage output.
• LR1154: Another name frequently used to indicate the LR44 battery, especially in the Asian market.
• G13: Found in (most) watches and other small electronic devices.
• L1154: Same as LR1154, the name is simply determined by little difference in the brand business company that manufactured the battery, and the manufacturers are pretty much the same other than that.
• RW82: This is the Rayovac version.
• V13GA: This is the model name by the Varta company.
• KA76: This is the model similar by the brand Energizer.
• PX76A: Yet another brand named compatible model.
• SR44: This is the silver oxide one, and though it is pricier it superior action wise.
• 357/303: The same model in silver oxide version; 357 and 303 are the names for this model depending on brand and market.

When to Use LR44 or AG13

If you're powering a simple low-drain device like a toy or calculator, an LR44 battery is sufficient and cost-effective. For devices that require a more stable voltage like watches or medical instruments, silver-oxide versions of AG13 (often labeled as SR44 or 357) are preferred.

LR44 battery User For:

Toys: LR44 battery equivalents are widely used in various small toys. They provide the necessary power for electronic sound effects, light effects, and the movement of toy components.

AG13 battery User For:

Medical devices: LR44 battery equivalents play a crucial role in the medical field. They are used in various medical devices such as glucose meters, blood pressure monitors, thermometers, etc., providing reliable power sources for these devices.

Interchangeability

In practice, many users swap LR44 and AG13 without issue. However, always refer to your device's manual. If voltage consistency is crucial, opt for the silver-oxide variant.

FAQ

• Q: Are LR44 and AG13 the same?
  A: Physically, yes. Chemically, sometimes not. AG13 might be silver-oxide while LR44 is alkaline.
• Q: Which lasts longer?
  A: Silver-oxide versions of AG13 typically last longer and maintain stable voltage output.
• Q: Are they safe to use interchangeably?
  A: For most consumer devices, yes. But avoid swapping them in sensitive electronics without checking specs.
• Q: What are common equivalent names?
  A: LR44 = AG13 = A76 = L1154; silver-oxide equivalents include SR44, 357.

Understanding the differences between LR44 and AG13 ensures your devices run longer and more reliably. Whether you're replacing a battery in a toy or a wristwatch, choosing the right one matters.