What Is an LR14 Battery? Learn About This C-Size Cell

By Ufine, Updated on June 18, 2025

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If you’re searching for information about the LR14 battery, you’re likely trying to understand what this battery does, how it compares to similar types, and where it is used. The LR14 battery, often called a C battery, is a medium-sized power cell commonly found in electronic devices. It delivers reliable performance, making it a go-to choice for items that require steady energy over time.

This guide explores everything you need about the LR14 battery, including its specifications, chemistry, usage, lifespan, comparisons with other battery types, and more. Whether replacing batteries in a device or just trying to learn more, this article will give you a complete picture of how the LR14 battery works and what makes it different.

Part 1. What is an LR14 battery?

An LR14 battery is a non-rechargeable alkaline battery in the C-size category. The “LR” indicates the alkaline manganese dioxide chemistry used in the cell, while “14” is the size code based on IEC (International Electrotechnical Commission) standards. It provides a nominal voltage of 1.5 volts and is designed for devices that require moderate but consistent power output.

The LR14 is widely used in portable electronics such as flashlights, battery-powered toys, radios, and medical instruments. It offers a longer shelf life and more stable energy delivery than lower-grade battery alternatives like zinc-carbon cells.

Part 2. Technical specifications of an LR14 battery

The LR14 battery has standardized dimensions and electrical characteristics that make it suitable for various devices. Below are its core technical specifications:

Size: C (IEC code: LR14)
Nominal Voltage: 1.5V
Chemistry: Alkaline manganese dioxide
Diameter: 26.2 mm (1.03 inches)
Height: 50 mm (1.97 inches)
Terminal type: Flat negative base, raised positive button top
Typical Capacity: 6,000–8,000 mAh (depending on brand and usage pattern)
Weight: Approximately 65–75 grams
Operating Temperature: -18°C to 55°C
Shelf Life: Up to 10 years

These batteries are built to offer steady current flow, making them ideal for equipment that needs consistent performance without frequent power drops.

Part 3. Common applications of LR14 batteries

The LR14 battery is widely used in both consumer and professional applications. Because of its size and capacity, it is ideal for medium-drain devices. Here are some of the most frequent uses:

Flashlights: Offers bright, long-lasting light
Toys: Power battery-operated toys like RC cars and talking dolls
Radios: Suitable for AM/FM radios and portable stereos
Medical devices: Used in equipment like blood pressure monitors and thermometers
Electric toothbrushes: Provide steady energy for vibration motors
Clocks and timers: Long shelf life supports low-drain applications
Camping gear: Power lanterns and emergency beacons

Its versatility makes the LR14 a reliable power source for both indoor and outdoor electronics.

Part 4. How long does an LR14 battery last?

The lifespan of an LR14 battery depends on how it is used. Different devices require different levels of energy, which affects its lifespan.

Typical usage scenarios and estimated lifespan:

Low-drain devices (e.g., wall clocks): 6 months to over 1 year
Moderate-drain devices (e.g., radios): 20–60 hours of continuous use
High-drain devices (e.g., toys, flashlights): 5–20 hours, depending on intensity

Environmental conditions such as temperature and humidity also influence battery performance. For best results, store LR14 batteries in a cool, dry location and avoid mixing old and new batteries in the same device.

Part 5. Are LR14 and C batteries the same?

Yes, LR14 batteries are a type of C battery, but not all C batteries are LR14. “C battery” refers to the size, while “LR14” specifies the chemistry and type.

Here’s a breakdown:

C battery: Generic size term, can include different chemistries
LR14 battery: Alkaline chemistry, 1.5V, non-rechargeable
R14 battery: Zinc-carbon chemistry, lower capacity
HR14 battery: Rechargeable nickel-metal hydride (NiMH)
CR14 battery: Lithium chemistry, higher voltage, less common

Always check the label and chemistry to ensure compatibility with your device. Some electronics may specifically require alkaline batteries like the LR14 for optimal performance.

Part 6. Can LR14 batteries be recharged?

No, LR14 batteries are not rechargeable. They are designed for single use only. Attempting to recharge an LR14 battery can result in:

Leakage of corrosive materials
Swelling or rupture of the battery casing
Short circuits or fire hazards

Look for HR14 (NiMH) batteries if you need a rechargeable alternative. These are designed for multiple charging cycles and offer similar dimensions, although they often have a slightly lower voltage (1.2V).

Part 7. Comparison chart of LR14, R14, and HR14 batteries

To better understand the differences between these battery types, here is a comparison chart based on real-world data and manufacturer specifications:

Feature	LR14 (Alkaline)	R14 (Zinc-Carbon)	HR14 (NiMH Rechargeable)
Chemistry	Alkaline Manganese	Zinc-Carbon	Nickel-Metal Hydride
Nominal Voltage	1.5V	1.5V	1.2V
Rechargeable	No	No	Yes
Typical Capacity	6,000–8,000 mAh	2,000–3,000 mAh	2,200–4,000 mAh
Shelf Life	Up to 10 years	2–3 years	2–5 years (with recharge)
Operating Temp. Range	-18°C to 55°C	0°C to 45°C	0°C to 45°C
Price per Unit	Moderate	Low	High (initial cost)
Ideal For	Flashlights, toys, radios	Clocks, remote controls	Daily-use electronics
Environmental Impact	Medium	High	Low (reusable)

This chart shows that while LR14 batteries offer higher capacity and longer shelf life, HR14 batteries are more sustainable over time due to their rechargeable nature.

Part 8. How to identify an LR14 battery

To identify an LR14 battery, check the labeling on the battery casing. It is often marked with one or more of the following designations:

LR14
C
MN1400
AM2
E93

These labels refer to the same size and voltage. It is a compatible match if your device manual specifies “C” batteries, and you see “LR14” on the packaging or battery.

Part 9. Safety tips for handling LR14 batteries

Using LR14 batteries safely ensures better performance and longevity for both the battery and the device. Here are essential safety practices:

Insert correctly: Match the positive and negative terminals to the device markings.
Avoid mixing: Don’t use new and old batteries together.
Store properly: Keep in a dry, room-temperature area.
Keep away from children: Batteries pose a choking and chemical hazard.
Recycle responsibly: Do not throw batteries into the regular trash. Use a certified recycling center.

Following these precautions helps prevent leakage, overheating, and accidental damage.

Part 10. How to choose the right LR14 battery brand

Not all LR14 batteries are created equal. Some brands offer better power output and longer shelf life than others. Here are some of the most trusted LR14 battery brands:

Duracell: Known for high energy density and long shelf life
Energizer: Offers stable performance and a leak-resistant design
Panasonic: Reliable power for industrial and consumer needs
Varta: German-engineered, suitable for high-drain devices
Amazon Basics: Great balance between price and performance

Choose a brand based on your usage. For critical devices, go with premium brands. Budget brands work just fine for occasional-use gadgets.

Part 11. FAQs about LR14 batteries

Can I use an LR14 battery in place of a C battery?

Yes. An LR14 battery is a type of C battery with alkaline chemistry. As long as the device supports alkaline 1.5V cells, it will work perfectly.

What is the shelf life of an LR14 battery?

Most LR14 batteries can last up to 10 years when stored in a dry, calm environment. Always check the expiration date on the packaging.

Is it safe to use LR14 batteries in outdoor equipment?

Yes, LR14 batteries are designed to function in a wide temperature range, making them suitable for outdoor gear like flashlights and lanterns.

Can I replace a rechargeable HR14 battery with an LR14?

Technically, yes, but be cautious. Some devices are designed for the slightly lower 1.2V of HR14. Replacing with 1.5V alkaline LR14 might affect performance or lifespan.