LR44 Battery: Size, Uses, Features, and Equivalents
The LR44 battery is a small round alkaline button/coin cell battery designed for low-power electronic devices. It provides nominal voltage of 1.5 volts and is known for its compact size and wide compatibility.
This lr44 battery works best for small electronics like watches, flashlight, calculators, toys, laser pen and thermometers. It won’t help if you need rechargeable coin cells or hearing aid batteries.
LR44 Battery: Complete Guide to Size, Voltage, Equivalents, Uses, and Safety
LR44 batteries use different chemistries, and each type has its own strengths depending on what you need it for. We also keep a large stock of semiconductors, capacitors, resistors, and ICs ready to ship.
Known for being cheap and easy to find, the LR44 is one of the most common coin cell batteries you’ll see in homes, offices, and labs.
What Is an LR44 Battery?
The LR44 is a popular button cell used in toys, remotes, watches, and calculators. Almost every major brand makes it. You’ll find LR44 batteries in different chemistries, and each one fits specific uses.
This alkaline button cell lasts a long time, has a small size, and costs little. It’s easy to find in stores because demand is high. LR44 batteries come in premium and regular types. People choose them for durability, good capacity, strong energy density, and fair pricing.
Size-wise, it’s 11.6mm wide, 5.4mm tall, and weighs about 2g. When replacing batteries, check the type, size, capacity, voltage, shelf life, and chemistry. Some devices need a steady voltage to work right. In those cases, use silver-oxide instead of LR44. If the pack says “alkaline,” it’s a standard LR44.
LR44 Button Cell Battery
LR44 is a compact 1.5V alkaline button cell widely used in small electronics. It is known for stable voltage output, broad compatibility, and reliable everyday performance.
The LR44 is a 1.5V alkaline button cell battery measuring 11.6 mm in diameter and 5.4 mm in height. It delivers a nominal voltage of 1.5V, holds a capacity of roughly 110–150 mAh, and is used in low-drain portable electronics. The “LR” prefix follows the IEC naming convention: L = alkaline chemistry, R = round cell.
Size-wise, it’s 11.6mm wide, 5.4mm tall, and weighs about 2g. When replacing batteries, check the type, size, capacity, voltage, shelf life, and chemistry. Some devices need a steady voltage to work right. In those cases, use silver-oxide instead of LR44. If the pack says “alkaline,” it’s a standard LR44.
According to DataIntelo (2024), the LR44 segment holds the largest share of the global alkaline button cell battery market a market valued at approximately USD 1.3 billion in 2023 and forecast to reach USD 2.2 billion by 2032. That market scale reflects one simple truth: this is one of the most commonly replaced batteries in the world.
Here’s the thing: most people who search “LR44 battery” aren’t doing research. They’re standing somewhere with a dead device, trying not to buy the wrong thing. So let’s cover the basics fast, then go deeper where it matters.
Summary of LR44 Battery Equivalent
Depending on the needs of your device, take advantage of the following options when searching for LR44 battery alternatives:
- Which 1.35V Zinc Air Battery is LR44 Size?
- longevity and stable performance: SR44, 303, 357
- Common and readily available: A76
- Interchangeable with slight variations: L1154, 76A
- Common and readily available: AG13
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To wrap up, the LR44 battery fits lots of devices, but silver-oxide options like the SR44 or 357 can work better. They give more steady power and hold up well in tough conditions.
What Battery is Equivalent to LR44?
The LR44 battery can often be swapped with other button cells that have the same size, voltage, and chemistry. Common equivalents are A76, AG13, V13GA, GPA76, LR1154, 357, SR44 which is the silver-oxide type, and LR41. Note that LR41 is usually smaller and doesn’t hold as much power.
All these batteries are either alkaline or silver-oxide and run at 1.5V. Because of that, they usually work in the same gadgets like watches, calculators, toys, and small electronics.
LR44 Battery Equivalent Chart
| Brand | Chemistry | Nominal Voltage | Cutoff Voltage | Capacity | Discharge Current | Operating Temperature |
|---|---|---|---|---|---|---|
| Duracell 675 | Zinc Air | 1.45V | 1.1V | 625 mAh (620Ω @21°C) | – | 0°C to 50°C |
| Duracell 76A/LR44 | Alkaline | 1.5V | 0.9/1.2V | 130 mAh (6k8Ω @20°C) | – | -10°C to +60°C |
| Duracell D303/D357 | Silver Oxide | 1.55V | 0.9/1.2V | 170 mAh (6k8Ω @20°C) | ~0.229 mA | 0°C to +60°C |
| Energizer 357/303 | Silver Oxide | 1.55V | 1.2V | 150 mAh (6k8Ω @21°C) | 0.204 mA | – |
| Energizer 675 | Zinc Air | 1.4V | 1.05V | 555 mAh (IEC-STD) | – | – |
| Energizer A76 | Alkaline | 1.5V | 0.9V | 175 mAh (6k8Ω @21°C) | 0.191 mA | – |
| Eurobatt AG13 LR44 | Alkaline | 1.5V | 0.9V | 130 mAh (1.0 kΩ @20±2°C) | 0–10 mA | – |
| muRata LR44 | Alkaline | 1.5V | 0.9V | 150 mAh | ~0.3 mA (4k7Ω @23°C) | -10°C to +60°C |
| muRata SR44 | Silver Oxide | 1.55V | 1.2V | 150 mAh | ~0.3 mA (4k7Ω @23°C) | -10°C to +60°C |
| Rayovac 303/357 | Silver Oxide | 1.55V | 1.2V | – | ~0.22 mA | -10°C to +65°C |
| Rayovac 675 | Zinc Air | 1.45V | 1.05V | ~535 mAh (IEC-STD) | – | -10°C to +50°C |
| Renata 303 Low Drain | Silver Oxide | 1.55V | 1.2V | 175 mAh (8k25Ω @20°C) | ~0.189 mA | -10°C to +60°C |
| Renata 357 High Drain | Silver Oxide | 1.55V | 1.2V | 190 mAh (5k62Ω @25°C) | ~0.272 mA | -10°C to +60°C |
| Renata ZA675 | Zinc Air | 1.45V | 1.05V | 660 mAh | – | 0°C to +45°C |
| Varta LR44 | Alkaline | 1.5V | 0.9V | 155 mAh (5k6Ω @20°C) | 0.265 mA | -10°C to +65°C |
Still, you should always check what battery your device actually needs. Even if the size and voltage match, compatibility isn’t guaranteed for every device.
LR44 Battery Equivalents: The Complete Cross-Reference
| Battery Code | Brand / Standard | Chemistry | Voltage | Interchangeable with LR44? |
|---|---|---|---|---|
| AG13 | Generic/IEC | Alkaline | 1.5V | Yes — fully |
| A76 | Energizer | Alkaline | 1.5V | Yes — fully |
| LR1154 | IEC | Alkaline | 1.5V | Yes — fully |
| 76A | Duracell | Alkaline | 1.5V | Yes — fully |
| GPA76 | Vinnic/GP | Alkaline | 1.5V | Yes — fully |
| SR44 | Generic/IEC | Silver oxide | 1.55V | Same size — NOT chemically identical |
| 357 / 303 | Energizer, Duracell | Silver oxide | 1.55V | Same size — NOT chemically identical |
| CR2032 | IEC | Lithium | 3V | No — different size AND voltage |
All the alkaline entries above are drop-in replacements. The SR44 and 357/303 situation needs its own explanation.
LR44 vs SR44: Why This Actually Matters
They’re the same size. They will physically fit the same battery slot. But the SR44 is silver oxide, not alkaline. It holds a steadier 1.55V throughout most of its discharge cycle before dropping off sharply at end-of-life. The LR44 slopes down from 1.5V gradually.
Some experts argue this makes SR44 universally better. That’s valid for high-precision devices. If you’re running an analog watch where the movement is calibrated for a stable voltage, the SR44’s flat discharge curve keeps timekeeping accurate longer.
But if you’re replacing a battery in a toy, laser pointer, or cheap thermometer, the 0.05V difference does nothing meaningful and the SR44 will cost you more. In most household devices, LR44 alkaline is the right call.
Or maybe I should say it this way: the only time you should specifically choose SR44 over LR44 is when the device manufacturer explicitly recommends it usually printed in the manual for precision watches or medical instruments.
Duracell and Energizer LR44 Equivalents: Shelf Codes
When you’re standing in the store, here’s what you’re actually looking for:
- Duracell: 76A (alkaline) or D303/D357 (silver oxide)
- Energizer: A76 (alkaline) or 357/303 (silver oxide)
- Rayovac: AG13 (alkaline)
- Vinnic / GP: GPA76 (alkaline)
Look if you’re in a pharmacy and the only option is an Energizer A76, grab it. It’s an LR44 with a brand name on it. That’s it.
