List of SR44 Battery Equivalent [For your Reference]

If your little gadget, such as a watch, calculator, or medical device, uses SR44 batteries and now the battery runs out and needs to be replaced, are you wondering if there are any other batteries that can also be used? 

I have good news for you, there are many replaceable batteries on the market, but due to the wide variety and brands, it may leave you a bit confused. Don't worry, we're here to help you! In this guide, we will list all the batteries that can be used, so that you can easily find the one that suits you at a glance, simple and convenient!

What Is A SR44 Battery Equivalent

An SR44 battery equivalent refers to batteries that match the SR44 in size, voltage, and performance, making them interchangeable in various devices like watches, cameras, and medical equipment.

Specifications:

• Size: 11.6mm (diameter) × 5.4mm (height)

• Voltage: 1.55V

• Chemistry: Silver Oxide (SR) or Alkaline (LR)

• Capacity: ~150mAh (Silver Oxide) / ~110mAh (Alkaline)

• Rechargeable: No

Features:

✔ Long-lasting Power – Silver Oxide versions offer more stable voltage and longer life than Alkaline.
✔ Widely Compatible – Equivalent names include 357, AG13, LR44, and A76, among others.
✔ Reliable Performance – Ideal for watches, calculators, thermometers, and small electronics.
✔ Leak-resistant Design – High-quality brands provide better protection against leaks and corrosion.

The Application of SR44 Battery

The SR44 battery is a small, button shaped silver oxide battery that can be found in many electronic devices. It has stable voltage and long battery life, making it particularly suitable for use in precision instruments.

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Common uses, such as:

Watch Clock

SR44 batteries are commonly found in analog and digital watches, providing them with long-lasting and reliable power. For example, Casio and Seiko quartz watches.

Camera

Many old and new film cameras also use SR44 batteries to power the light meter and exposure settings. For example, Canon AE-1, Nikon FM2, and Minolta X-700.

Medical equipment

It can also be found in medical devices such as thermometers, blood glucose meters, and hearing aids. For example, Omron's digital thermometer.

Calculator

Scientific calculators and financial calculators often use the SR44 due to its small battery size and long battery life. For example, Casio FX-82MS and Texas Instruments calculator.

Laser pen and flashlight

Some small LED flashlights and laser pointers are also powered by SR44 batteries. For example, green and red laser pens.

Toys and electronic games

SR44 batteries are also used in small toys, electronic games, and keychain gadgets. For example, the electronic pet Tamagotchi.

Measuring instrument

Measuring instruments such as digital calipers, micrometers, and multimeters also require SR44 batteries to provide accurate and stable voltage. For example, Sanfeng's digital caliper.

Remote control and car key

Some cars also use SR44 batteries as power sources for their remote keys and small remote controls. For example, car keys for BMW and Mercedes Benz.

Full List of SR44 Battery Equivalent

The SR44 battery is a 1.55V silver oxide button cell known for its stable voltage and long lifespan, making it ideal for watches, cameras, medical devices, and measuring instruments. Below is a detailed list of its equivalent batteries, categorized by chemistry.

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1. Silver Oxide Equivalents – 1.55V (Best Performance)

Features:

• Stable voltage (1.55V), unlike alkaline batteries, which gradually decrease in voltage over time.

• Long lifespan, suitable for precision devices like watches, measuring instruments, and medical equipment.

2. Alkaline Equivalents – 1.5V (Lower Performance, Cheaper Alternative)

Features:

• Voltage starts at 1.5V but decreases over time, which may affect precision devices.

• Shorter lifespan compared to silver oxide, but more affordable.

• Suitable for toys, remote controls, calculators, and simple electronics.

3. Zinc-Air Equivalents – 1.4V (Special Use Cases)

Features:

• Mainly used in hearing aids and medical devices, as they activate upon exposure to air.

• Lower voltage (1.4V) may not be suitable for all SR44 applications.

• Short lifespan, as they start discharging when exposed to air.

What Does SR Mean on A Battery

The "SR" in SR44 stands for Silver Oxide (S) and Round (R), following the IEC (International Electrotechnical Commission) naming standard for button batteries. This means the battery uses silver oxide chemistry, providing a stable 1.55V output, and has a round shape. SR batteries are commonly used in precision devices like watches and medical instruments due to their reliable voltage and long lifespan.

Where ＆ How to Buy SR44 Battery in An Easy Way

Where to Buy SR44 Batteries

1. Chipsmall – A reliable electronic components supplier offering a variety of SR44 batteries at competitive prices. Ideal for bulk purchases and professional use. Buy SR44SW at Chipsmall.

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1. Online Stores – E-commerce platforms like Amazon, eBay, Walmart, and AliExpress offer SR44 batteries from different brands with customer reviews for quality assurance.

2. Electronics & Watch Shops – Local watch repair shops, camera stores, and electronics retailers often stock SR44 batteries for precision devices.

3. Pharmacies & Supermarkets – Large retail chains like Walmart, Target, and Walgreens sometimes carry SR44 batteries in their electronics sections.

4. Hardware Stores – Home improvement stores like Home Depot or Lowe’s may have SR44 or its equivalents in stock.

How to Buy SR44 Batteries Easily

• Check the Equivalent Model – If SR44 isn’t available, look for equivalents like 357, S76, or SR1154 to ensure compatibility.

• Choose Silver Oxide Over Alkaline – If possible, pick silver oxide (SR44, 357) instead of alkaline (LR44, A76) for better performance.

• Buy in Packs – Purchasing multi-packs can be more cost-effective than buying single batteries.

• Verify the Expiry Date – Always check the manufacturing date or expiry date to ensure a long shelf life.

What’s the Difference between SR44 and LR44 Batteries

SR44 VS LR44 are often confused because they have the same size, but they differ in chemistry and performance. The SR44 uses silver oxide, which provides a more stable voltage and longer lifespan, making it ideal for precision electronics. The LR44, on the other hand, is an alkaline battery that starts at 1.5V but gradually loses power, which may cause some devices to malfunction. While LR44 is a cheaper alternative, it does not perform as well as SR44 in devices that require steady voltage.

Can I Replace An SR44 Battery with An LR44

Yes, you can use an LR44 battery in place of an SR44, but it is not always recommended. The LR44 has a lower lifespan and an unstable voltage, which may affect the performance of devices like watches, digital thermometers, and cameras. If precision and longevity are important, it is best to use an SR44 battery or one of its direct equivalents, such as a 357 or S76.

How Long Does an SR44 Battery Last

The lifespan of an SR44 battery depends on the type of device and its power consumption. In low-drain devices such as watches, an SR44 battery can last between two to five years. In medium-drain devices like cameras or calculators, the lifespan typically ranges from one to three years. High-drain devices, such as medical instruments or LED lights, may drain the battery within a few months. To maximize battery life, it is recommended to store unused batteries in a cool, dry place and avoid exposure to extreme temperatures.

Are SR44 Batteries Rechargeable

No, SR44 batteries are not rechargeable. They are designed for single-use applications and attempting to recharge them can cause leakage, overheating, or even explosions. If you need a rechargeable alternative, look for specific rechargeable button cell batteries designed for your device, but keep in mind that they may not always be a direct replacement.

Can an SR44 Battery Explode or Leak

While SR44 batteries are generally safe, they can leak or even explode if mishandled. Overheating, puncturing, or mixing old and new batteries in a device can lead to leakage, which can damage the device and create safety hazards. To prevent this, always replace batteries in sets, avoid exposing them to heat, and properly dispose of old batteries at recycling centers.

Final Verdict

SR44 batteries have several compatible replacements, including silver oxide (357, S76, SR1154) for stable performance and alkaline (LR44, A76, AG13) as a budget alternative. Choosing the right equivalent depends on your device’s power needs, with silver oxide being the preferred option for precision electronics. Always check the specifications before purchasing to ensure compatibility