LR44 Battery – A Complete Guide
The LR44 battery is a 1.5V button cell battery widely used in small electronic devices. Whether in watches, medical devices, laser pointers, or toys, this compact and efficient power source plays a crucial role in daily life. This guide will help you understand LR44 battery specifications, equivalents, and buying considerations.
What is an LR44 Battery?
The LR44 is an alkaline button cell battery known for its small size and reliable power output. It is a non-rechargeable battery, commonly used in low-power applications where long battery life is essential.
LR44 Battery Specifications
Feature | Specification |
Type | Alkaline Button Cell |
Voltage | 1.5V |
Diameter | 11.6mm |
Height | 5.4mm |
Capacity | ~110mAh (varies by brand) |
Shelf Life | 3–5 years |
LR44 Battery Equivalents & Replacements
If you cannot find an LR44, there are several equivalents that work as direct replacements:
Alkaline Equivalents
- AG13
- A76
- L1154
Silver Oxide Equivalents (Longer Life & Stable Voltage)
- SR44
- 357
- SR44W / SR44SW
Silver oxide versions like SR44 or 357 are better for devices that require consistent voltage output, such as medical equipment and precision instruments.
Where is the LR44 Battery Used?
The LR44 battery is used in a variety of everyday gadgets, including:
🔹 Watches & Clocks – Common in digital and analog watches.
🔹 Laser Pointers – Used for compact and low-power laser devices.
🔹 Toys & Games – Found in small electronic toys and sound modules.
🔹 Medical Devices – Used in glucometers, thermometers, and hearing aids.
🔹 Calculators – Often used in pocket calculators.
🔹 Key Fobs & Remotes – Found in car remotes and small controllers.
How Long Does an LR44 Battery Last?
The lifespan of an LR44 battery depends on the device and usage:
- In watches – 1 to 3 years
- In LED toys – A few months
- In laser pointers – Weeks to months (depending on usage)
For longer-lasting performance, consider silver oxide versions (SR44/357) as they provide stable power output and last 30–50% longer than alkaline versions.
How to Choose a Good LR44 Battery?
When buying an LR44 battery, keep these factors in mind:
✔ Check the Brand – Choose reputable brands like Duracell, Energizer, Maxell, Sony, Panasonic, and for reliability.
✔ Look for Silver Oxide Versions – If you need longer battery life, pick SR44 or 357 instead of LR44.
✔ Verify Expiry Date – Always check the manufacturing and expiry date to ensure freshness.
✔ Buy in Multi-Packs – Purchasing in bulk can save money and ensure you always have a spare battery.
Where to Buy LR44 Batteries?
LR44 batteries are available in:
When buying online, ensure you’re purchasing from a trusted seller to avoid counterfeit or low-quality batteries.
Conclusion
The LR44 battery is a versatile and widely used 1.5V button cell battery, essential for many small electronic devices. Whether you need it for a watch, toy, medical device, or remote control, choosing the right brand and type (alkaline or silver oxide) will ensure better performance and longevity.
For the best performance, consider switching to silver oxide equivalents (SR44/357) when possible. Always check the expiry date and buy from reputable brands for reliable and long-lasting power.
