CR2 and CR123 batteries are two popular types of lithium batteries used in a variety of electronic devices, from cameras and flashlights to medical equipment and security systems. While both batteries share some similarities, they also have key differences that make them better suited for certain applications.
In this article, we will explore the features, applications, and differences between CR2 and CR123 batteries to help you choose the most suitable battery for your device.
SIZE: CR2 batteries are smaller and slimmer than CR123 batteries. They are often used in smaller electronic devices that require a compact power source. CR2 batteries have a length of 27mm and a diameter of 15.6mm, while CR123 batteries have a length of 34mm and a diameter of 17mm.
VOLTAGE OUTPUT: CR2 batteries typically have a voltage output of 3 volts, while CR123 batteries typically have a voltage output of 3.7 volts. The higher voltage output of CR123 batteries makes them suitable for high-performance devices that require more power, such as high-powered flashlights and weapon lights.
CAPACITY: CR123 batteries generally have a higher capacity than CR2 batteries. The typical capacity range for CR123 batteries is 1400mAh to 1700mAh, while the typical capacity range for CR2 batteries is 800mAh to 1000mAh. The higher capacity of CR123 batteries allows them to last longer and provide more power to devices that require a higher voltage output.
PRICE: CR123 batteries are generally more expensive than CR2 batteries due to their higher capacity and voltage output. However, the price difference can vary depending on the brand and the retailer.
APPLICATIONS: CR2 batteries are commonly used in smaller electronic devices such as cameras, laser pointers, and some security systems. They are also used in some medical devices, such as glucose meters and hearing aids. CR123 batteries are commonly used in high-performance flashlights, weapons lights, and some security cameras. They are also used in some electronics, such as GPS devices and smoke detectors.
When choosing between CR2 and CR123 batteries, it is important to consider the specific requirements of your device. If your device requires a high voltage output and has a larger capacity, then CR123 batteries may be the better choice. However, if your device requires a smaller, compact battery, then CR2 batteries may be more suitable.
CR2 is a type of lithium battery that is commonly used in a variety of electronic devices, including cameras, flashlights, and medical devices. It is a small and cylindrical battery that measures about 27mm in length and 15.6mm in diameter.
CR2 batteries are designed to deliver a high current output and have a voltage of 3 volts. They typically have a capacity of around 800mAh, which is lower than other types of lithium batteries such as CR123, but they are also more affordable. CR2 batteries are known for their reliability and long shelf life, making them a popular choice for many applications.
Lithium chemistry: CR2 batteries are made using lithium chemistry, which offers a high energy density and a long shelf life. This makes them a reliable choice for electronic devices that require long-lasting power.
Voltage: CR2 batteries typically have a voltage of 3 volts, which is higher than many other types of batteries. This high voltage allows them to deliver a high current output and power electronic devices efficiently.
Capacity: The capacity of a CR2 battery is typically around 800mAh, which is lower than some other types of batteries. However, this capacity is still sufficient to power many electronic devices for a reasonable amount of time.
Size: CR2 batteries are small and cylindrical, measuring about 27mm in length and 15.6mm in diameter. This compact size makes them a popular choice for electronic devices that require a small battery.
Durability: CR2 batteries are designed to be durable and long-lasting. They are resistant to temperature extremes and have a long shelf life, which means they can be stored for a long time without losing their charge.
Compatibility: CR2 batteries are widely used in a variety of electronic devices, including cameras, flashlights, and medical equipment. They are also compatible with many battery chargers, which makes them easy to recharge and use again.
CR2 batteries are commonly used in a variety of electronic devices that require a small, high-power battery. Here are some of the most common applications of CR2 batteries:
Cameras: CR2 batteries are often used in digital cameras and other photography equipment. Their high voltage and compact size make them a popular choice for cameras, where space is often limited.
Flashlights: CR2 batteries are also commonly used in high-powered flashlights and tactical flashlights. Their high current output and durable design make them ideal for use in demanding environments.
Medical devices: CR2 batteries are used in some medical devices, such as blood glucose meters and insulin pumps. Their compact size and reliable performance make them a good choice for medical applications.
Laser sights: Many laser sights and rangefinders also use CR2 batteries. Their high voltage and long shelf life make them a reliable power source for precision aiming and measurement.
Security systems: Some home security systems use CR2 batteries to power door and window sensors. Their small size and long battery life make them an ideal choice for this application.
There are several popular CR2 battery models available on the market, including the Energizer EL1CRBP-2, Panasonic CR2, Tenergy Propel CR2, Duracell Ultra Photo CR2, and SureFire SF12-BB. These models are known for their high energy output, reliability, and long shelf life, and they are commonly used in cameras, flashlights, medical devices, and other electronic equipment. When selecting a CR2 battery model, it is important to consider your specific needs and the requirements of your device, and always follow the manufacturer's recommendations for battery selection and usage.
Q: What does CR2 stand for?
A: "CR2" stands for "Consumer Replaceable 2".
Q: Are CR2 batteries rechargeable?
A: Most CR2 batteries are not rechargeable. However, there are some rechargeable CR2 batteries available on the market.
Q: Can CR2 batteries be recycled?
A: Yes, CR2 batteries can be recycled. Many local recycling programs accept batteries for recycling, and there are also specialized battery recycling centers that accept them.
Q: Can I replace a CR2 battery with a different type of battery?
A: No, it is not recommended to replace a CR2 battery with a different type of battery, as doing so can damage your device or cause it to malfunction. Always use the type of battery recommended by the device manufacturer.
CR123 is a type of non-rechargeable lithium battery commonly used in high-performance electronic devices, including cameras, flashlights, and tactical equipment.
Like the CR2 battery, the CR123 is a primary cell battery, meaning it cannot be recharged and must be disposed of after use. CR123 batteries typically have a voltage of 3 volts and a longer lifespan than traditional alkaline batteries.
Voltage: CR123 batteries have a voltage of 3 volts, which provides a consistent power output for high-performance electronic devices.
Size: CR123 batteries are relatively small, with a diameter of 17mm and a length of 34mm, making them easy to fit into compact devices.
Lifespan: CR123 batteries have a longer lifespan than traditional alkaline batteries, making them ideal for use in devices that require consistent and reliable power.
Temperature range: CR123 batteries are designed to operate in a wide range of temperatures, making them suitable for use in extreme environments.
Lightweight: CR123 batteries are lightweight, making them an ideal choice for use in portable devices such as flashlights and cameras.
Shelf life: CR123 batteries have a long shelf life and can be stored for up to 10 years without losing their power or performance.
Safety: CR123 batteries are designed with safety features to prevent leaks and ensure they are safe for use in electronic devices.
Cameras: CR123 batteries are commonly used in high-end digital cameras and film cameras, providing a consistent power output and long lifespan for extended shooting sessions.
Flashlights: Many high-performance flashlights and tactical lights use CR123 batteries, as they provide a bright and consistent light output.
Medical devices: CR123 batteries are used in various medical devices, including blood glucose meters, pulse oximeters, and hearing aids.
Security systems: Many home security systems use CR123 batteries to power sensors and other components, as they provide a long lifespan and reliable performance.
Laser sights: CR123 batteries are commonly used in laser sights and other targeting systems, providing a reliable power source for accurate targeting.
Communication devices: Many communication devices, such as two-way radios and handheld GPS devices, use CR123 batteries, as they provide consistent and reliable power in outdoor environments.
Some popular CR123 battery-powered parts include the SureFire G2X Tactical Flashlight, Arlo Pro 3 Camera, Streamlight TLR-1 HL Weapon Light, Garmin GPSMAP 66i Handheld GPS, and Crimson Trace Rail Master Pro Laser Sight. These parts showcase the reliable power output and high performance of CR123 batteries, making them ideal for use in various electronic devices such as flashlights, security cameras, weapon lights, GPS devices, and laser sights.
Q: What does CR123 stand for?
A: CR123 stands for "lithium primary battery with a cylindrical shape". It is also sometimes referred to as a "photo battery" due to its common use in cameras.
Q: Are CR123 batteries rechargeable?
A: No, CR123 batteries are not rechargeable. They are designed for single-use applications and should not be recharged.
Q: Can I use CR123 batteries in place of CR2 batteries?
A: No, CR123 batteries cannot be used in place of CR2 batteries. They are different sizes and have different voltage outputs.
Q: Can CR123 batteries leak?
A: Like all batteries, CR123 batteries have the potential to leak if they are damaged or used improperly. However, they are designed with safety features to prevent leaks and are generally considered safe for use in electronic devices.
Device compatibility: Check your device's user manual or specifications to determine which battery type is compatible with your device.
Size: Consider the size of your device and the available space for the battery. If your device is smaller, a CR2 battery may be more suitable, while larger devices may require a CR123 battery.
Voltage output: Consider the voltage requirements of your device. If your device requires a higher voltage output, a CR123 battery may be the better choice, while devices that require lower voltage may be better suited to CR2 batteries.
Capacity: Consider the power requirements of your device. If your device requires more power or has a higher drain, a CR123 battery with a higher capacity may be more suitable.
Cost: Consider the cost of each battery type. CR123 batteries are generally more expensive than CR2 batteries, so if budget is a concern, a CR2 battery may be a more cost-effective choice.
Ultimately, the suitable battery type will depend on your device's requirements and your specific needs. It is always recommended to check the device manual or specifications before purchasing a battery to ensure compatibility and optimal performance.
Further Reading: CR2450 vs. CR2032: How to Choose 2023?
When it comes to choosing between CR2 and CR123 batteries, there is no one-size-fits-all solution. Each battery has its own unique characteristics, advantages, and limitations, which make them more suitable for certain applications.
By considering the size, voltage output, capacity, and cost of each battery, as well as your device's specific requirements, you can choose the most suitable battery type to power your device efficiently and effectively. Whether you're using a small electronic device or a high-performance flashlight, choosing the right battery can help you get the most out of your device and extend its lifespan.
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