When you’re looking to replace a small battery in a watch, toy, calculator, or laser pointer, you’ve likely come across the L1154F battery and the LR44 battery. At first glance, these button batteries appear nearly identical—same size, same voltage, even similar performance. But are they truly the same? Can they be used interchangeably? And most importantly, which one should you choose?
In this article, we’ll take a detailed look at the L1154F battery, compare it with the LR44, and help you make an informed decision when purchasing or replacing these common button cells.
What Is an L1154F Battery?
The L1154F battery is a compact, non-rechargeable button cell battery commonly used in a wide range of small electronic devices. It’s part of the alkaline battery family and is known for delivering 1.5 volts of power with a small form factor.
Key Specifications of L1154F:
- Voltage: 1.5V
- Diameter: 11.6mm
- Height: 5.4mm
- Chemistry: Alkaline
- Capacity: Typically 110–130mAh
Common Uses for L1154F Battery:
- Digital thermometers
- Laser pointers
- Electronic toys
- Small flashlights
- Wristwatches
- Remote controls
Common Equivalent Names for L1154F Battery:
- LR44 – Most widely used name, especially in consumer products
- AG13 – Often used in Asia or low-cost electronic toys
- A76 – Duracell’s designation for the same battery
- 157 – IEC standard number
- G13 / G13A – Sometimes used in older devices or manuals
- LR1154 – Another variation referring to the same size and type
These equivalents can be used interchangeably in most devices that originally require an L1154F battery. Just make sure to double-check the voltage (1.5V) and the battery size (11.6mm x 5.4mm).
What Is an LR44 Battery?
The LR44 battery is arguably the most recognized and widely used 1.5V button battery. It shares the same physical dimensions and voltage rating as the L1154F battery, making it a common substitute. Like the L1154F, the LR44 is also an alkaline battery, although silver oxide variants (e.g., SR44, 357) are also available and offer different performance characteristics.
Here are the most commonly used equivalent model numbers for the LR44 battery:
- AG13 – Often used in generic or budget electronic products
- A76 – Duracell’s model number for LR44
- 157 – IEC standard designation for this battery type
- G13 / G13A – Alternate naming often seen in older or imported devices
- L1154 / L1154F – Another equivalent, commonly used in Asia and e-commerce listings
- LR1154 – Manufacturer-specific name, functionally identical
Because of these shared characteristics, the LR44 battery is often sold under multiple codes, including the L1154F. However, not all batteries are made equal, and that’s where chemistry and quality come into play.
L1154F Battery vs LR44: What’s the Difference?
Although the L1154F battery and LR44 battery are often used interchangeably, especially in consumer electronics, there are a few important distinctions to understand:
| Feature | L1154F Battery | LR44 Battery |
| Voltage | 1.5V | 1.5V |
| Diameter | 11.6mm | 11.6mm |
| Height | 5.4mm | 5.4mm |
| Chemistry | Alkaline | Alkaline (or Silver Oxide) |
| Shelf Life | Moderate | Moderate to Long |
| Price | Generally Affordable | Affordable |
In most cases, the L1154F battery and LR44 can be used in place of one another, as their size and voltage are identical. However, some L1154F batteries are made with lower-grade materials and may not last as long as higher-quality LR44 or silver oxide cells.
Are L1154F and LR44 Batteries Interchangeable?
Yes—the L1154F battery is interchangeable with the LR44 battery in most applications. Both batteries are designed to deliver the same voltage and are of the same size. However, be cautious of low-cost generic versions, which may provide less stable voltage or shorter lifespans.
That said, some devices may require more consistent voltage output—for example, medical devices or sensitive electronics. In these cases, a silver oxide battery (like SR44 or 357) may be a better choice despite the higher cost.
How to Choose the Right Button Battery
When you’re faced with multiple codes and names like L1154F, LR44, AG13, or A76, here are a few tips to help you select the right battery:
Match the Voltage and Size
Both the L1154F battery and LR44 offer 1.5V and are identical in size. Always confirm this before replacing.
Consider the Chemistry
If long battery life and consistent performance are important (e.g., for medical devices or high-end digital watches), silver oxide batteries (SR44) may be a better alternative to alkaline ones like the L1154F.
Look for Trusted Brands
Avoid ultra-cheap options from unknown manufacturers. Reputable brands such as Energizer, Duracell, Maxell, and Panasonic produce reliable L1154F and LR44 batteries with stable performance.
Check Manufacturing Date
Button batteries degrade over time, even if unused. Always choose freshly manufactured L1154F batteries to ensure full capacity.
Buying L1154F Batteries Online: What to Watch Out For
When purchasing the L1154F battery online, pay close attention to:
Product listings that include multiple names (L1154F/LR44/AG13)
Customer reviews related to battery life and authenticity
Seller reputation and return policies
Battery chemistry (alkaline vs silver oxide)
Many online marketplaces allow sellers to list L1154F and LR44 batteries under the same listing, which is fine as long as the product meets your device’s requirements.
Environmental Considerations and Disposal
Both L1154F batteries and their LR44 counterparts should be properly disposed of or recycled. Never throw button batteries into household waste, as they may contain small amounts of toxic metals like mercury or lead.
Look for:
- RoHS-compliant batteries (safer and environmentally friendly)
- Local recycling programs or drop-off points for used batteries
- Proper disposal helps protect the environment and reduces the risk of leakage and contamination.
Conclusion
In most cases, the L1154F battery and LR44 are functionally the same, and either can be used in your device. For everyday electronics like toys or watches, alkaline batteries such as L1154F offer great value. However, if you’re looking for better performance or longer lifespan, consider upgrading to silver oxide equivalents.
When choosing your next button battery:
Always check size, voltage, and chemistry
Choose a trusted brand
Ensure safe handling and disposal
Lynn Martelli is an editor at Readability. She received her MFA in Creative Writing from Antioch University and has worked as an editor for over 10 years. Lynn has edited a wide variety of books, including fiction, non-fiction, memoirs, and more. In her free time, Lynn enjoys reading, writing, and spending time with her family and friends.
