What is an LR44 battery?
ALKALINE MANGANESE BATTERIES
The LR44 battery is a common button/coin cell battery that is used in a wide range of electronic devices, including toys, remote controls, watches, calculators, and so on. LR44 batteries come in a variety of chemistries, each with unique characteristics that are typically critical for their applications. Furthermore, Huge range of Semiconductors, Capacitors, Resistors and IcS in stock. Welcome RFQ.

Shop Talk - Digital Calipers and SR44 vs LR44 Batteries!
- IR44 Battery Introduction
- What Is an IR44 Battery?
- Specifications
- Applications of IR44 Batteries
- Voltage of LR44 Battery
- How To Install LR44 Batteries In Your Device
- LR44 Batteries VS Lithium Batteries
- Alkaline LR44 Vs. Silver-Oxide SR44 Vs. Zinc-Air PR44 Battery
- LR44 Battery Safety Concerns
- IR44 Battery Dimension
- IR44 Battery Manufacturer
- Datasheet PDF
IR44 Battery Introduction
When we think of batteries, the first thing that comes to mind is how important they are in our daily life. Batteries are required in almost every household and workplace. Batteries are required in everything from laptops to wristwatches, torches, smartphones, and even automobiles. As a result, if you have little portable devices or gadgets, there's a good possibility they're powered by a battery. LR44 batteries, for example, can be used in electronic automobile keys.
LR44 batteries are non-rechargeable, strong, and long-lasting button cell batteries that are regularly depleted due to their high usage frequency. It's a single-cell alkaline battery with a nominal voltage of 1.5 volts, shelf life of 2-5 years, and a capacity of roughly 110mAh. Even though these batteries have a reduced lifespan or lose their utility with time, they are nonetheless dependable. The most appealing characteristics of this battery are that it is more economical, highly compatible with most gadgets, performs well in a variety of weather conditions, and is readily available in a variety of retailers.
What Is an IR44 Battery?
The LR44 battery is a common button/coin cell battery that is used in a wide range of electronic devices, including toys, remote controls, watches, calculators, and so on. It is manufactured by virtually all recognized brands. LR44 batteries come in a variety of chemistries, each with unique characteristics that are typically critical for their applications.
The LR44 battery is an alkaline button cell battery with a long life span. It has a small footprint and a low cost. It is widely available in stores because of the high demand for personal use. The batteries are divided into two categories: premium and regular. The batteries are noted for their endurance, high capacity, high energy density, and reliability due to some of their desirable attributes, including pricing.
The diameter of these batteries is 11.6mm, the weight is roughly 2.5 grams, and the height is 5.4mm. When replacing the batteries in your portable device, double-check facts such as the battery type, measurement dimensions, capacity, maximum voltage or current, shelf life, and chemistry. Because some devices cannot function properly when powered with voltage less than the needed threshold voltage, Silver Oxide batteries can be used to replace LR44 batteries. If an alkaline label appears on a package list, the batteries are alkaline.
Specifications
- TypeParameter
- Factory Lead Time12 Weeks
- Voltage Rated
RATED voltage is the voltage on the nameplate - the "design point" for maximum power throughput and safe thermal operation.
1.5V - Size / Dimension
In electronic components, the parameter "Size / Dimension" refers to the physical dimensions of the component, such as its length, width, and height. These dimensions are crucial for determining how the component will fit into a circuit or system, as well as for ensuring compatibility with other components and the overall design requirements. The size of a component can also impact its performance characteristics, thermal properties, and overall functionality within a given application. Engineers and designers must carefully consider the size and dimensions of electronic components to ensure proper integration and functionality within their designs.
0.46Dia x 0.21 H 11.6mmx5.4mm - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Active - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
Not Applicable - Reach Compliance Code
Reach Compliance Code refers to a designation indicating that electronic components meet the requirements set by the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation in the European Union. It signifies that the manufacturer has assessed and managed the chemical substances within the components to ensure safety and environmental protection. This code is vital for compliance with regulations aimed at minimizing risks associated with hazardous substances in electronic products.
compliant - Termination Style
"Termination style" in electronic components refers to the method used to connect the component to a circuit board or other electronic devices. It determines how the component's leads or terminals are designed for soldering or mounting onto the circuit board. Common termination styles include through-hole, surface mount, and wire lead terminations.Through-hole components have leads that are inserted through holes in the circuit board and soldered on the other side. Surface mount components have flat terminals that are soldered directly onto the surface of the circuit board. Wire lead terminations involve attaching wires to the component for connection.The choice of termination style depends on factors such as the type of component, the manufacturing process, and the space available on the circuit board. Different termination styles offer various advantages in terms of ease of assembly, reliability, and space efficiency in electronic designs.
Requires Holder - Storage/Refrigeration Temperature
The parameter "Storage/Refrigeration Temperature" in electronic components refers to the recommended temperature range at which the components should be stored to maintain their integrity and functionality. This parameter indicates the temperature limits within which the components can be safely stored without risking damage or degradation. Storage temperature is crucial for preserving the performance and reliability of electronic components over time, especially for sensitive components such as integrated circuits and semiconductors. Refrigeration temperature may be specified for certain components that require lower temperatures to prevent degradation or prolong shelf life. It is important to adhere to the recommended storage/refrigeration temperature guidelines to ensure the longevity and proper functioning of electronic components.
50°F~77°F 10°C~25°C - Battery Chemistry
A battery is a device that stores chemical energy, and converts it to electricity. This is known as electrochemistry and the system that underpins a battery is called an electrochemical cell. A battery can be made up of one or several (like in Volta's original pile) electrochemical cells.
Alkaline Manganese Dioxide - Battery Cell Size
The most common lithium-ion cell is the 18650 (the numbers define the physical dimensions and shape as follows: 18mm in diameter, 65mm long and the 0 means it has a round cross-section) which is due to its widespread use in laptop battery packs.
Coin 11.6mm - Capacity
In electronic components, "Capacity" typically refers to the maximum amount of electrical charge that a component can store. It is measured in units called farads (F). Capacitors are the most common components that have a capacity rating. The capacity of a capacitor determines how much energy it can store and release when connected in a circuit. Higher capacity capacitors can store more charge and are often used in applications requiring larger energy storage or filtering capabilities. It is important to select a capacitor with the appropriate capacity to ensure proper functioning of the circuit.
120mAh - Battery Type
Battery type refers to the specific chemistry and design of a battery that determines its characteristics, performance, and applications. Common battery types include alkaline, lithium-ion, nickel-metal hydride, and lead-acid, each with unique properties such as voltage, capacity, energy density, and discharge rates. The choice of battery type affects factors such as longevity, rechargeability, and suitability for various electronic devices and systems. Understanding battery type is crucial for selecting the appropriate power source for specific electronic components and applications.
PRIMARY - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
Non-RoHS Compliant
Applications of IR44 Batteries
LR44 batteries are a popular choice for applications that require a compact but reliable battery. The following are some examples of LR44 applications.
● Thermometer (digital)
● Calculator
● Flashlight
● Laser Pen
● Control Panel for the Security System
● Watches for the wrist
● Medical Instruments and Devices
● Memory Backup
● Application for a Battery Pack
Voltage of LR44 Battery
The nominal voltage of 11.6 x 5.4 mm batteries is determined by the battery's particular chemistry, as well as its age, storage conditions, discharge conditions, and other factors. The LR44 battery has a nominal voltage of 1.5 volts and a cutoff value of 0.9-1.0 volts; however, the cutoff voltage is dependent on the cutoff voltage of the device in use. Every battery chemistry has advantages and disadvantages; which battery to use is determined by the device in use, the availability of certain chemistries, personal demands and preferences, and, of course, their costs.
How To Install LR44 Batteries In Your Device
Determine the battery's positive and negative ends first. The flat side (sometimes with markings) of a common Alkaline LR44 battery is normally the positive side. A little round protrusion should be evident on the opposite side. The side is usually the negative end of the spectrum. You can easily align the positive and negative ends of the battery with matching markings on your device now that you've determined the positive and negative ends.
Please keep in mind that certain gadgets contain small metallic tabs that help with battery retention and function. It's critical to leave these tabs alone and undamaged, as doing so could jeopardize your device's performance. If you accidentally move this tab out of place, you can generally correct it by carefully readjusting it back into place.
LR44 Batteries VS Lithium Batteries
The most frequent types of batteries used as personal power sources are lithium and LR44. Even though these batteries are primarily employed in small portable devices, their chemical compositions and voltage ranges differ. The main distinction between these two types of batteries is that LR44 batteries have a shorter life cycle than lithium batteries. Please continue reading to learn more about their common differences.
Function
LR44 batteries are dry alkaline cells that create power by a chemical reaction involving zinc and manganese oxide, whereas lithium batteries use lithium metal or compounds as their anode.
Voltage
Lithium batteries produce a higher voltage than alkaline batteries when comparing their voltage and current levels (voltage of 1.75 or more than 1.5V in LR44). Because they have a longer shelf life than LR44 batteries, they offer a competitive edge.
Price
Because LR44 batteries are less expensive than lithium batteries, they are more cost-effective to utilize.
Effects
Lithium batteries are extremely powerful, making them far more harmful to the environment and humans. They should be disposed of with caution. LR44 batteries, on the other hand, contain no heavy metals that could poison the soil or cause a ground-fill explosion. As a result, they're considered non-toxic and can be thrown out with your regular garbage. Regardless, when dealing with batteries of any kind, it's still a good idea to follow correct disposal procedures.
Weight
LR44 batteries are heavier or have a higher weight than lithium batteries.
Discharge
LR44 batteries, despite having a lower voltage than lithium batteries, can be used for a long period. Lithium batteries have a higher capacity but a higher self-discharge rate.
Conclusion
We hope you now know everything there is to know about LR44 batteries, including their uses, analogs, and distinctions from lithium batteries. After reading the preceding essay, I am confident that you will never have trouble distinguishing LR44 batteries from other ones. Remember to compare and examine data on a battery or battery pack to see whether a different battery can be used as a replacement for the LR44 battery.
Alkaline LR44 Vs. Silver-Oxide SR44 Vs. Zinc-Air PR44 Battery
The nominal voltage of alkaline LR44 batteries is 1.5 volts, with a cutoff voltage of 0.9-1.0 volts; as the battery is depleted, the output voltage lowers more or less continuously.
LR44 batteries have a nominal capacity of 110-130 mAh, while some LR44 batteries claim to have a substantially higher capacity, comparable to silver-oxide batteries.
Actual capacity is also influenced by the cutoff voltage of the devices that are powered by these batteries, with some watches, for example, experiencing dependability concerns when the battery voltage falls below 1.2 volts. Silver-oxide SR44 batteries should be used to power such and similar devices.
LR44 batteries typically have a shelf life of three years, however with breakthroughs in chemistry, some LR44 batteries now have a shelf life of four to five years.
LR44 batteries are readily available at reasonable costs in local hardware stores and internet stores.
Silver-oxide SR44 batteries have a slightly higher nominal voltage of 1.55 volts and a higher cutoff voltage of 1.2 volts when compared to alkaline LR44 batteries; upon discharge, the output voltage lowers, but not nearly as much as alkaline LR44 batteries. As a result, SR44 batteries are the preferred choice for applications that require a more or less constant output voltage, such as watches and some medical instruments.
Silver-oxide batteries have a higher nominal capacity, usually in the 150-200 mAh range, but this varies depending on discharge currents - some low-drain types claim to have a capacity of even more than 200 mAh.
The SR44 battery has a very low self-discharge rate; normal SR44 models have a shelf life of 5-7 years, with some versions having a shelf life of 7-10 years.
Although slightly more expensive than LR44 cells, SR44 batteries are recommended for more sensitive equipment such as watches, medical instruments, automobile keys, and other such items.
PR44 batteries, also known as Blue Tab, PR44, or 675 batteries, are zinc-air batteries that are almost solely used to power hearing aid devices.
Zinc-air batteries have a lower beginning voltage of 1.4 volts (often also labeled as 1.45 volts) and a cutoff value of 1.2 volts; the output voltage is rather consistent during discharge.
Zinc-air PR44 batteries have the highest capacity of all chemistries in the 600-700 mAh range, which is about three times that of silver-oxide batteries.
However, zinc-oxide batteries have a minor flaw': their electrolyte is 'wet,' and they generate power by using oxygen from the air (thus the name 'zinc-air). Before use, zinc-air batteries include a colored tab that must be peeled off (each zinc-air battery size has a different color tab). When the tab is removed, air (oxygen) enters the battery, which begins to produce voltage/electricity in a matter of minutes.
The electrolyte in the battery dries out as it ages, and the battery eventually dies. The battery will also die if it is discharged.
Zinc-air batteries can only run for a few weeks once the tab is removed, though this varies on the battery brand, ambient temperature, and other factors.
Zinc-air batteries, such as PR44, Blue Tab, or 675 batteries, are utilized in hearing aid devices because of these characteristics.
LR44 Battery Safety Concerns
Modern LR44 and another button/coin-cell battery are created using non-toxic materials that are free of mercury, cadmium, and other heavy metals.
LR44 batteries, on the other hand, are little and sparkly things that might attract children and pets; if eaten, they can cause electrolysis in the body, which can produce extremely hazardous chemicals and cause internal burns.
If an LR44 battery or a similar battery is swallowed, go to the local emergency room, explain what happened, and follow their recommendations.
IR44 Battery Dimension

Dimension
IR44 Battery Manufacturer
Murata is a global leader in the design, manufacture and supply of advanced electronic materials, leading edge electronic components, and multi-functional, high-density modules. Murata innovations can be found in a wide range of applications from mobile phones to home appliances, and automotive applications to energy management systems and healthcare devices.
Datasheet PDF
- Datasheets :
- Environmental Information :
What battery is equivalent to LR44?
LR44 is an alkaline 1.5 V battery. The most common equivalent batteries are: AG13, L1154.
Does Energizer 357 replace LR44?
High performance, long lasting Energizer 357/303 silver oxide battery in economical bulk packaging. Replaces LR44 AG13 SR44 battery. The Energizer 357/303 is a multi-drain 1.55 Volt silver oxide button cell battery.
What is the difference between LR44 and SR44 battery?
LR44 and SR44 are the same physical size. However, the terminal voltage of the SR version is a tad higher (1.55v -v- 1.5v) and its capacity is also higher. There are plenty of devices around that are designed to work with the LR44 battery. The article need to reference SR44 batteries because of the redirect from SR44.
What are LR44 batteries used for?
The LR44 battery offers excellent storage capacity, high performance, and reliability in today's watches, electronics, and digital equipment. This LR44 button battery is used in a wide variety of applications, like calculators, thermometers, electronics toys, small radios, cameras, and other low drain equipment.
Can I use AA batteries instead of LR44?
You can get these convenient battery holders with switch for cheap from the usual electronics sites (just search "battery holder"). Pick one with the correct number and types of batteries. Since LR44 is alkaline, AAs or AAAs are a one to one replacement.
Is LR44 a lithium battery?
Long Story Short: There is no such thing as a lithium LR44 battery (or lithium SR44 battery). There are alkaline, silver oxide, and zinc-air 11.6 x 5.4 mm batteries, but there are no lithium 11.6 x 5.4 mm batteries.
Can I replace LR44 with SR44?
Yes, the SR44 can replace the LR44 and visa versa. The SR version is silver oxide which is more expensive, has higher power density, and is better for use in low drain, long battery life applications, such as digital calipers, watches and the like.
What are LR44 cell batteries?
LR44 1.5V Battery is a 1.5 volt alkaline button cell battery designed for general use. The LR44 1.5V Battery is widely used in watches, calculators and medical devices. A button cell battery is a small, round battery that is 11.6mm(0.457 inch) in diameter and 5.4mm(0.21 inch) thick.
What household items use LR44 batteries?
The LR44 battery is commonly used in different small and portable devices, namely: calculators, thermometers, gun sight, electronic keys, electronic toys, computer motherboards, dog collars, and medical equipment, laser pointers, small radios, cameras, hand watches, toys and portable electronics.
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