LR44H Battery: Description, Features, and Applications

What is the LR44H Battery?

The LR44H is an alkaline button cell battery with a voltage of 1.5V and dimensions of 11.6 mm in diameter and 5.4 mm in height. It typically has a capacity ranging from 110 mAh to 160 mAh, depending on the model. This battery operates effectively within a temperature range of 0°C to 60°C. The LR44H is a higher-capacity version of the standard LR44, offering improved performance and longevity due to advancements in alkaline chemistry, making it a "heavy-duty" variant.

It is commonly used in devices like watches, calculators, toys, remote controls, and medical instruments. The LR44H is equivalent to several other models, including A76, AG13, G13, LR1154, and L1154. Its advantages include affordability, compact size, long shelf life (up to 5 years), and reliable performance across a wide temperature range, making it a versatile and efficient power source for small electronic devices.

Building coin-cell powered gadgets often involves sensing and measurement. For a complete overview of sampling, ENOB and interfaces, see our analog-to-digital converter hub .

LR44H Battery Specifications

The LR44H battery has specific technical specifications that define its performance and compatibility with various devices. Here are the key specifications:

LR44H Battery Manufacturers

The LR44H battery is an alkaline button cell battery commonly used in small electronic devices56. Here's a breakdown of manufacturers and key details:

Energizer: A trusted brand producing widely available and high-quality LR44 batteries.

Duracell: A leading manufacturer of LR44 batteries.

Maxell: Offers LR44 batteries used in many consumer electronics.

Panasonic: Produces reliable LR44 batteries, commonly used in various electronic devices.

Murata Electronics: A well-known manufacturer of electronic components associated with the LR44 battery series.

Sony: A leading electronics company involved in the production of LR44 batteries.

Varta: A German manufacturer known for LR44 batteries, especially used in watches and small electronics.

Toshiba: Focuses on producing quality LR44 batteries, emphasizing performance and reliability.

Rayovac: Provides cost-effective LR44 batteries, often available at competitive prices.

Primary Features of LR44H Battery

The LR44H battery is a compact alkaline button cell battery with several notable features that make it suitable for a variety of electronic devices. Here are the primary characteristics:

Compact Size: The LR44H battery measures approximately 11.6 mm in diameter and 5.4 mm in height, making it ideal for devices with limited space, such as watches, calculators, and remote controls.

Nominal Voltage: It provides a stable nominal voltage of 1.5 volts throughout most of its discharge cycle, ensuring reliable operation for electronic devices.

Capacity: The typical capacity ranges from 150 mAh to 200 mAh, depending on the manufacturer and specific model, allowing it to power low to moderate energy-consuming devices effectively.

Alkaline Chemistry: Utilizing alkaline electrolyte chemistry, the LR44H battery offers advantages such as high energy density, stable voltage output, and a longer shelf life compared to other battery types.

Wide Range of Applications: Commonly used in various devices, including medical equipment (like thermometers and insulin pumps), toys, calculators, and other small electronics.

Interchangeability: The LR44H can be substituted for other similar batteries such as AG13, A76, and LR1154 due to its standardized size and voltage specifications.

Operating Temperature Range: It typically operates effectively within a temperature range of -10°C to 60°C, making it versatile for different environments.

These features contribute to the LR44H battery's popularity in reliably powering numerous consumer electronics.

If your device reads sensors (temperature, light, motion), the ADC choice and front-end matter as much as the battery. Learn the trade-offs in our analog-to-digital converter hub .

LR44H Battery Applications

The LR44H battery is widely utilized across various applications due to its compact size and reliable power output. Here are the primary applications:

Watches and Clocks: Commonly used in both analog and digital watches, providing consistent power for timekeeping.

Calculators: Frequently found in pocket calculators and scientific calculators, ensuring long-lasting operation.

Toys: Powers electronic toys, remote-controlled cars, and musical toys, offering entertainment with dependable energy.

Medical Devices: Used in devices such as thermometers, glucose meters, and hearing aids, where reliability and compact size are crucial.

Remote Controls: Powers remote controls for televisions, DVD players, and other home electronics, providing stable voltage for functionality.

Cameras and Flashlights: Utilized in compact cameras and LED flashlights, supporting both the flash and operational features.

Key Fobs and Keychain Lights: Commonly found in car key fobs and small LED lights, facilitating signal transmission and illumination.

Digital Devices: Powers various small digital gadgets like timers, laser pointers, and electronic scales, meeting the needs of lightweight devices.

The LR44H battery's versatility makes it a popular choice for many small electronic devices in everyday use.

Advantages of Using LR44H Battery

The LR44H battery offers several advantages that make it a preferred choice for powering various small electronic devices. Here are the key benefits:

1. High Energy Density:

The alkaline chemistry of the LR44H provides a higher energy density compared to other button batteries, allowing it to store more power in a compact size. This results in longer-lasting performance for devices that require a consistent energy supply.

2. Extended Lifespan:

With a lifespan of up to three years, the LR44H minimizes the need for frequent replacements. This longevity is particularly beneficial for devices that are not frequently used, ensuring they remain operational without constant battery changes.

3. Reliable Performance:

The LR44H maintains stable voltage output throughout its discharge cycle, which is crucial for devices that require precise power regulation, such as medical instruments and digital thermometers. This reliability ensures that devices function smoothly without unexpected interruptions.

Stable supply is only half the story—measurement accuracy depends on sampling, reference noise and clocking. See how ENOB is really achieved in our analog-to-digital converter hub .

4. Compact Size:

Measuring approximately 11.6 mm in diameter and 5.4 mm in height, the LR44H is small enough to fit into various devices, from watches and calculators to remote controls and toys. Its compact design makes it ideal for applications where space is limited.

5. Versatility:

The LR44H is compatible with a wide range of devices, making it a universal choice for households and professionals alike. It can power everything from everyday gadgets to specialized equipment, providing a unified power solution.

6. Durability and Resistance:

Many LR44H batteries are designed with robust construction that enhances their durability and resistance to environmental factors such as moisture and temperature fluctuations. This ensures consistent performance even under challenging conditions.

These advantages contribute to the LR44H battery's popularity as a reliable power source for numerous small electronic devices across various applications.

LR44H Battery Equivalent

Here’s a more detailed table of the LR44H battery equivalents, including additional information about each type:

The LR44H is a commonly used 1.5V alkaline battery with several equivalent models such as AG13, L1154, A76, and 357. These batteries are widely used in small electronic devices like watches, calculators, toys, and hearing aids due to their reliable power output and compact size. When replacing an LR44H battery, it’s important to check for equivalent models to ensure compatibility with the device.

LR44 vs LR44H Battery

Here’s a comparison between the LR44 and LR44H batteries in table format:

The LR44 and LR44H are both 1.5V alkaline button cells with the same size and capacity, typically used in small electronic devices like watches, calculators, and toys. The primary difference between them is that the LR44H generally features a slightly improved formulation for longer shelf life and stability, though the performance in most applications remains quite similar. When replacing a battery, either model can typically be substituted with the other, but LR44H may be the better choice for long-term use.

How Long Do LR44H Batteries Last?

The lifespan of an LR44H battery is influenced by several factors:

Device Current Drain: Higher current consumption leads to faster depletion.

Battery Chemistry: Variations in battery chemistry can slightly affect lifespan.

Usage Patterns: Frequent use shortens battery life.

Storage Conditions: Extreme temperatures can reduce battery life.

Load Conditions: High-load applications, such as high-brightness LEDs, will shorten battery life.

Under normal usage, LR44 batteries typically last from a few months to a year. Some could potentially last for several years if used properly. In low-drain devices like watches, the battery might last for years. In cameras such as the OM-4, a pair of LR44 batteries might last a couple of weeks if the camera is used regularly and set to Bulb mode when not in use. It is important to note that LR44 batteries are not rechargeable. Attempting to recharge them can lead to leaks and overheating. New, quality batteries (such as Duracell) are recommended for optimal performance.

Related Articles:

LR41 Battery Equivalent: A Complete Guide

LR44 Battery Equivalents: What Are Your Options?

The Essential Guide to LR44 Batteries: Specifications and Use

LR44 vs 357: Comparing Battery Performance and Suitability