LR44 vs AG13 Batteries: Which One is the Best Equivalent?

When it comes to small electronic devices like calculators, watches, or remote controls, finding the right battery replacement can be a challenge. With so many different battery types on the market, it’s important to know which one is the best equivalent for your device. In this article, we will compare LR44 and AG13 batteries to help you make an informed decision.

Understanding LR44 Batteries

LR44 batteries are a popular type of alkaline button cell battery that is commonly used in small electronic devices. They are also known as A76 batteries or button cell 357/303 batteries. LR44 batteries have a voltage of 1.5 volts and a capacity of around 150mAh.

These batteries are widely available and can be found in most supermarkets, electronics stores, and online retailers. They are known for their reliable performance and long shelf life. LR44 batteries are commonly used in calculators, watches, toys, and medical devices.

Getting to Know AG13 Batteries

AG13 batteries are another type of alkaline button cell battery that is often considered an equivalent to LR44 batteries. They are also known as LR1154 or G13A batteries. Like LR44 batteries, AG13 batteries have a voltage of 1.5 volts and a similar capacity of around 150mAh.

AG13 batteries are easily accessible and can be found in most stores that sell electronic accessories or online retailers specializing in watch or calculator parts. They are widely used in various small electronic devices such as watches, calculators, hearing aids, key fobs, and laser pointers.

Comparing Performance

When it comes to performance, both LR44 and AG13 batteries offer similar voltage levels and capacities. This means they can power your devices effectively without any noticeable difference in performance.

However, it’s worth noting that some users claim that LR44 batteries tend to have a slightly longer lifespan compared to AG13 batteries. This can be attributed to variations in manufacturing processes and quality control. While the difference may not be significant, it’s something to consider if you’re looking for a battery that will last longer between replacements.

Availability and Price

Both LR44 and AG13 batteries are widely available in stores and online retailers. You can easily find them at reasonable prices, especially when purchased in bulk.

The prices of LR44 and AG13 batteries may vary depending on the brand, store, or region. However, they are generally quite affordable, making them an economical choice for powering your small electronic devices.


LR44 and AG13 batteries are both excellent choices when it comes to finding an equivalent replacement for your small electronic devices. They offer similar performance in terms of voltage and capacity, ensuring that your devices operate smoothly.

While some users claim that LR44 batteries have a slightly longer lifespan, both options are readily available and reasonably priced. Ultimately, the choice between LR44 and AG13 batteries comes down to personal preference or availability.

Next time you need to replace the battery in your calculator or watch, rest assured knowing that either an LR44 or AG13 battery will do the job effectively.

This text was generated using a large language model, and select text has been reviewed and moderated for purposes such as readability.