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21700 vs 18650 Battery, Comprehensive Comparison

Author: Monica

Aug. 04, 2025

vs Battery, Comprehensive Comparison

CR123A vs : Which Battery Fits Your Needs Best?

Key Highlights

  • CR123A and batteries have different uses and fit specific devices. Knowing their features helps you use them well.
  • CR123A batteries are small, single-use lithium batteries. They are good for using flashlights now and then.
  • batteries can be recharged and hold more energy. They work well for devices that need to run for a long time.
  • Using rechargeable batteries like the can save you money over time and are better for the environment.
  • When choosing between these batteries, think about runtime, compatibility, cost, and what device you have.
  • Voltage and capacity are important factors to consider when picking the right battery.

Introduction

Batteries can be confusing. There are popular choices like CR123A and . They are important for devices such as flashlights and cameras. Each type has its own benefits depending on what you need. If you feel confused about choosing between these two batteries, knowing their differences can save you time and money.Let’s look at what makes each battery unique so that you can make a smart choice.

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Understanding CR123A and

CR123A and batteries, both lithium-based, serve different purposes. The CR123A is compact and designed for single use, typically powering devices like cameras and smoke detectors. While convenient for portable applications, frequent replacement can be costly. In contrast, the larger, rechargeable battery is ideal for high-drain devices such as laptops and electric vehicles. Its reusability offers long-term cost efficiency and environmental benefits.

The characteristics and common use of CR123A

The CR123A battery is small but strong. Many people pick it for their electronic devices. This lithium battery usually gives a higher voltage of 3V. It is great for things that need strong energy. The CR123A battery measures 17mm in width and 34.5mm in length. This size works well with many devices made for it. You can often see the CR123A in powerful flashlights, security systems, and cameras. People love it because it is dependable and lasts a long time.

The characteristics and common use of

The battery offers a good mix of size and energy. This battery provides a steady output of 3.7V. Its capacity goes from mAh to mAh. It is great for devices that need to run for a long time. This includes laptops, tools, and lights. Its long lifespan and compatibility with smart chargers make it popular among users. Many people choose these batteries for their powerful flashlights. You can also find them in e-scooters and electric car packs. This shows how useful they are in different ways.

CR123A vs : Their Benefits and Drawbacks

Each type of battery has its pros and cons. The CR123A lithium battery usually has a higher voltage. This makes it a good option for small devices like flashlights and cameras. However, it is not very eco-friendly because you cannot recharge it. In contrast, the rechargeable battery is a great choice. It lasts a long time and saves you money since you can recharge it many times. It also has a higher mAh rating, which gives it a longer runtime. This makes it ideal for larger devices that need more power. Since compatibility can vary, be sure to check what your device requires.

Advantages and Disadvantages of CR123A battery

Advantages of CR123A Battery:

  • Easy to carry
  • Compact size with higher voltage
  • Great for flashlights and LED devices that need a steady 3V output
  • Lasts a long time for storage
  • Good for gadgets that aren’t used often and for emergencies

Disadvantages of CR123A Battery:

  • They last for a shorter time than rechargeable batteries.
  • They are meant for single use, so you need to replace them often. This can make it more expensive.
  • In devices that use a lot of power, they can run out fast.
  • They are not a good option for regular use or long periods.
  • They can cost a lot, especially when you buy them in bulk.

Advantages and Disadvantages of battery

Advantages of battery:

  • You can use it for about 500 recharge cycles before needing to replace it.
  • A bigger diameter meets high-capacity needs.
  • It provides steady voltage and a longer runtime than disposable batteries.
  • It works well in many devices like electric scooters and bright LED flashlights, giving a reliable power source.
  • It saves you money in the long run since it needs fewer replacements.
  • It helps the environment by reducing waste from single-use batteries.

Disadvantages of battery:

  • There may be compatibility issues due to its larger size. Not every device can fit it.
  • It can degrade or become dangerous if not charged/discharged within safe voltage limits.
  • Typically lasts 2–5 years, depending on use and storage, shorter than non-rechargeable lithium batteries.

CR123A or : Which should I choose?

When you choose between CR123A and batteries, consider your needs. The CR123A battery is small and very powerful, which makes it good for gadgets that don’t need battery changes often. On the other hand, batteries last longer and work better for devices that use a lot of energy. However, they need more space. Make sure to check what your device needs before you choose.

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Performance Comparison: Energy Density and Output


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Performance metrics like energy density and output help you pick the right battery. CR123A batteries typically have a capacity of - mAh and an output of 3V. On the other hand, batteries can offer between mAh and mAh with a 3.7V output. This higher energy density means they can run longer and need fewer replacements.

Attribute CR123A Battery Battery Capacity (mAh) - - Voltage 3.0 3.7 Recharge Cycles N/A (single-use) 500+ Typical Runtime Short-term Extended

The CR123A batteries are small. The batteries last longer. They also offer more stable power. Knowing these facts can help you pick better devices.

Cost and Availability: Which is More Economical?

Rechargeable batteries, like the , help you save money over time. You may spend a bit more at first on a charger, but after using it several times, your costs go down to just a few cents. In contrast, CR123A batteries are much pricier because you have to buy them again and again.

Availability is important. You can easily find CR123A batteries in regular stores. This is good for one-time use. On the other hand, you can buy batteries in bundles online. This often offers better prices for people who want a long-term and eco-friendly choice.

CR123A batteries are useful in emergencies. But using rechargeable batteries all the time can help you save money and is better for the environment. When you think about the costs and how easy they are to find, it’s clear that rechargeables are often the better choice.

Conclusion

When choosing between CR123A and batteries, it’s important to know their features. Each type has its own pros and cons. This can depend on several factors like energy density, output, cost, and availability. If you need a small battery for your camera or a bigger one for devices that require more power, consider your needs. By understanding how they work and what devices you will use them on, you can make a smart choice. Remember, picking the right battery can help your devices work better and last longer. This way, you can get the most out of your power source.

Why Choose Pkcell Battery When Buying or CR123A?

PKCELL is a professional battery manufacturer with nearly 20 years of experience in research, development, and production. Headquartered in Shenzhen and supported by branches in North America and across Asia, our company delivers a full range of high-performance batteries. With over 20 advanced automated production lines and strict quality control processes, 70% of our products are exported globally, earning us a strong reputation for reliability and innovation.

Choosing PKCELL means choosing a trusted power solution partner. Our commitment to quality, efficiency, and customer care has made us a preferred supplier for industrial and commercial clients worldwide. More than just a manufacturer, we are a brand built on expertise, integrity, and continuous innovation. If you have other questions, feel free to contact us!

Frequently Asked Questions

Can I use batteries in devices designed for CR123A?

No, you can’t use batteries in devices that need CR123A batteries. They are different in size and voltage. The battery is bigger and has a higher voltage. Using it could damage your device. Always check if your device can use it. Follow the manufacturer’s instructions to avoid problems.

What types of devices typically use CR123A versus batteries?

CR123A batteries are good for small devices. You can use them in flashlights, medical tools, and cameras that need light and high voltage power. However, batteries are better for devices that use a lot of power. They are perfect for LED flashlights, laptops, and scooters that need rechargeable and durable power options.

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Post time: May-14-

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