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LR44 Battery Equivalents: Introduction and Alternatives

Post Date：2024-07-02，Panasonic

The LR44 battery is a commonly used button cell battery known for its versatility and wide application, and can be used in small electronic devices such as watches, calculators, and toys. However, due to differences in brand, chemical composition, and specifications, users often seek equivalent products from different manufacturers.

In this article, we will explore the LR44 battery equivalent chart, providing information about voltage, manufacturer, and other relevant details. By understanding the various alternatives available, consumers can make an informed decision when choosing a replacement battery for their devices.

LR44 Battery

LR44 Battery Introduction

Basic Parameters

Model: LR44
Standard Voltage: 1.5V
Weight: About 2.00g
Rated Capacity: 160mAh
Working Capacity: 160mAh
Load Resistance: 6.8KΩ

Dimensions and Appearance

Diameter: 11.6mm
Thickness: 5.4mm

Characteristics of LR44 Battery

Dimensions and Shape: The LR44 battery is a small round button cell battery with a diameter of approximately 11.6mm and a thickness of approximately 5.4mm. This compact size makes it ideal for use in small electronic devices such as calculators, watches, toys, hearing aids, etc.

Voltage and capacity: The nominal voltage of the LR44 battery is 1.5 volts, and the capacity is usually between 100-150 mAh. Although the capacity is not large, it is sufficient for low-power devices.

Chemical composition: The LR44 battery is an alkaline manganese battery, with manganese dioxide as the positive electrode material and zinc as the negative electrode material. This chemical combination provides good discharge performance and a long storage life.

Discharge characteristics: The LR44 battery has good discharge performance at room temperature and can work stably over a wide temperature range. However, as the temperature decreases, its capacity will decrease.

Storage life: The LR44 battery has a long storage life and can be stored for several years without being used and still maintain good performance. However, too long storage time may cause capacity decay and internal gas generation, affecting battery performance.

Environmental protection: Modern LR44 batteries are usually designed without mercury, which reduces pollution to the environment. However, when disposing of used batteries, environmental regulations must still be followed for recycling.

Safety: LR44 batteries have high internal pressure and may leak or explode if not used or handled correctly. Therefore, you need to pay attention to safety during use and storage to avoid short circuits, high temperatures, and mechanical damage.

Applications of LR44 Batteries

1.Calculators: Many small calculators use LR44 batteries as power sources because they do not require much power, and the voltage and capacity provided by LR44 batteries are just right.

2.Electronic watches: LR44 batteries are a common battery type for many electronic watches, especially those with simple functions and low power consumption.

3.Toys: Many small electronic toys, such as electronic pets, musical toys, etc., use LR44 batteries for power.

4.Hearing aids: Some small hearing aids use LR44 batteries because they require long-term stable power supply, and LR44 batteries can meet this need.

5.Remote controls: Some small remote controls, such as TV remote controls, air conditioner remote controls, etc., may use LR44 batteries as power sources.

6.Electronic scales: Some small electronic scales, especially kitchen electronic scales, use LR44 batteries for power.

7.Laser pointers: Many laser pointers use LR44 batteries as a power source because they require a small amount of power and LR44 batteries can provide a stable voltage.

8.LED flashlights: Some small LED flashlights use LR44 batteries, especially in applications that require lightness and portability.

9.Blood glucose meters: Some portable blood glucose meters use LR44 batteries to ensure that the device is small and easy to carry.

10.Electronic thermometers: Some electronic thermometers use LR44 batteries because they require a small amount of power and LR44 batteries can provide a stable power supply.

These application scenarios show the wide application of LR44 batteries in various small electronic devices. Its small size, lightness and reliable performance make it an ideal power source for many low-power devices.

LR44 Battery Equivalent Parts

AG13

AG13 battery, also known as LR44 or A76 battery, is a common button battery. It belongs to alkaline manganese battery, the positive electrode material is manganese dioxide, the negative electrode material is zinc, the nominal voltage is 1.5 volts, and the capacity is usually between 100-150 mAh. Widely used in small electronic devices such as calculators, watches, and toys.

357/303

The 357/303 battery is a silver oxide battery comparable to the LR44, with a slightly higher voltage of 1.5V and a larger capacity of 150-170 mAh. This chemistry provides a more stable voltage output over the life of the battery, making it ideal for precision instruments such as watches, medical devices, and high-performance small electronic devices. The 357/303 designation is widely used in the United States and is the preferred choice for applications that require stable performance.

SR44

The SR44 battery is another silver oxide battery comparable to the 357/303 battery, with a voltage of 1.5V and a capacity of 150-170 mAh. The SR44 battery is an ideal power source choice for many low-power electronic devices due to its high voltage, long life, and small size. The SR44 designation is often used in international markets outside the United States.

LR1154

The LR1154 battery is an alkaline manganese battery with a stable voltage and long life. The voltage is 1.5V and the capacity is about 90-110 mAh. It is commonly used in calculators, electronic watches, toys, remote controls, and other low-power electronic devices. The LR1154 is interchangeable with the LR44, making it a versatile choice for a variety of electronic applications.

SG13

G13 batteries are silver oxide batteries with higher voltages and longer lifespans. The voltage is 1.5V, the capacity is 110 to 150mAh, the diameter is about 11.6 mm, and the thickness is about 4.8 mm. G13 batteries are commonly used in calculators, electronic watches, hearing aids, remote controls, and other low-power electronic devices. They are fully compatible with devices that require LR44 batteries.

V13GA

V13GA is an alkaline battery equivalent to LR44, with a voltage of 1.5V and a capacity of about 110-130 mAh. This battery is manufactured by Varta and is commonly used in watches, small electronic toys, and calculators. The V13GA has the same performance characteristics as the LR44, making it a reliable alternative.

LR154

LR154 battery is an alkaline manganese battery with a voltage of 1.5V and a capacity of about 110-130 mAh. It is used in calculators, remote controls, toys, electronic scales and other small electronic devices that require low-power power. Some brands and regions will be marked with the LR154 logo, which increases the list of interchangeable options for LR44.

PX76A

PX76A battery is a silver oxide battery with a voltage of 1.5V, a diameter of about 11.6 mm, a thickness of about 5.4 mm, and a capacity of 110-130 mAh. PX76A battery is commonly used in calculators, remote controls, toys, electronic scales and other small electronic devices that require low-power power. PX76A is interchangeable with LR44 and CR1220, which have different chemical compositions and performance characteristics, and the appropriate battery can be selected according to the needs of specific equipment.

LR44 Battery Equivalency Table

Battery Model	Voltage	Size (Diameter x Height)	Chemistry
LR44	1.5V	11.6 mm x 5.4 mm	Alkaline
AG13	1.5V	11.6 mm x 5.4 mm	Alkaline
357/303	1.5V	11.6 mm x 5.4 mm	Silver Oxide
SR44	1.5V	11.6 mm x 5.4 mm	Silver Oxide
LR1154	1.5V	11.6 mm x 4.8 mm	Alkaline
SG13	1.5V	11.6 mm x 5.4 mm	Silver Oxide
V13GA	1.5V	11.6 mm x 5.4 mm	Alkaline
LR154	1.5V	11.6 mm x 5.4 mm	Alkaline
PX76A	1.5V	11.6 mm x 5.4 mm	Silver Oxide

FAQ

How to extend the service life of LR44 batteries?

Avoid excessive battery discharge: When the battery voltage is below a certain value, continued use will cause damage to the battery.
Avoid battery moisture or exposure: Humid or high temperature environment will affect the performance and service life of the battery.
Avoid battery short circuit: Battery short circuit will cause the battery to discharge rapidly, affecting the battery life.

LR44 battery charging method

LR44 battery is an alkaline battery, which usually does not support charging and needs to be replaced with a new battery after one-time use.

How long is the service life of LR44 battery?

Generally speaking, the service life of LR44 battery is 2-3 years, depending on the power consumption and frequency of use of the device. Through reasonable use and storage, the service life of the battery can be effectively extended.

Which brands of LR44 batteries have better quality?

Nanfu: A well-known battery brand in China, providing LR44 batteries.
Philips: An international brand, also providing LR44 batteries.
Energizer: An internationally renowned battery brand that provides LR44 batteries.
Panasonic: An internationally renowned battery brand that provides LR44 batteries.

The LR44 batteries of these brands are usually of better quality and have a longer service life. Choosing batteries from these brands can ensure the stable operation of your equipment.

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