C2 Vs C4 Battery (Which One Packs More Powerful)

C2 and C4 batteries serve essential roles in many electrical devices. Understanding the features of each type of battery is crucial in making the right decision for your device.

So, what’s the difference between c2 vs c4 battery?

C2 batteries are smaller and have a shorter lifespan compared to larger and more powerful c4 batteries. Batteries are a vital component in many electrical devices and come in various shapes and sizes to cater to different needs.

In this article, I will provide the differences between c2 and c4 batteries to help equip you with the knowledge needed to make an informed decision.

Difference Between C2 And C4 Batteries: Quick Overview

Key Differences

C2 Batteries

C4 Batteries








Around 26.2 mm

Around 26.2 mm.


Around 26 mm

Around 50 mm.




Common Use

Low-power devices

High-power devices.

Rechargeable Options


More options are available.

Examples of Use

Remote controls, small toys

Flashlights, portable radios.

Advantages And Disadvantages Of C2 Batteries

C2 batteries have several advantages over other types of batteries. Here are the key benefits of using c2 batteries:

  • High energy density: C2 batteries have a high energy density, which means they can store more power in a smaller package. This makes them perfect for devices that need a lot of power in a compact size, such as digital cameras, toys, or portable music players.
  • Low cost: Compared with other types of batteries, c2 batteries are relatively inexpensive. They are widely available and therefore more affordable, especially if you need to buy them in bulk.
  • Wide availability: C2 batteries are available in a wide range of stores, including supermarkets, corner shops, and online. So, if you need a replacement battery quickly, you can easily find one.

Despite their advantages, c2 batteries do have some drawbacks that users should be aware of. These limitations include:

  • Shorter lifespan: C2 batteries have a shorter lifespan than other types of batteries. This means you may need to replace them more frequently, which can be an inconvenience. It’s worth noting that this drawback may not be a major issue for devices that do not need frequent recharging.
  • The self-discharge rate is high: Another disadvantage of c2 batteries is that they have a high self-discharge rate. This means they can lose their charge quickly, even when not in use. As a result, it can be difficult to keep them charged for when you need them.
  • Not the best for heavy-duty uses: C2 batteries are not always the best choice for devices that require a lot of power. In contrast to, for example, c4 batteries, which are designed to handle higher power requirements, c2 batteries may not be able to deliver enough power for heavy-duty devices.

Advantages And Disadvantages Of C4 Batteries

C4 batteries are becoming increasingly popular due to their enhanced features, particularly when compared to c2 batteries. However, potential users must understand the advantages and disadvantages of c4 batteries:

Pros Of Using C4 Batteries

C4 batteries come with several advantages that make them a popular choice for users. The advantages of using c4 batteries include:

  • Longer lifespan: C4 batteries have a longer lifespan compared to their c2 counterparts, which means they can last longer before requiring replacement.
  • Fast charging: C4 batteries generally have a faster charging time than c2 batteries. This means you can spend less time waiting for your batteries to charge and more time using your device.
  • Better performance in high-temperature environments: C4 batteries can perform better in high-temperature environments, making them suitable for use in hotter climates.

Cons Of Using C4 Batteries

Despite their numerous advantages, c4 batteries also have some disadvantages. The cons of using c4 batteries include:

  • Expensive compared to c2 batteries: C4 batteries are typically more expensive than c2 batteries, which can be a deterrent for some users.
  • Higher risk of swelling when overcharged: C4 batteries have a higher risk of swelling when overcharged, which can be a safety hazard. Users need to be cautious when charging c4 batteries and not exceed the recommended charging time.
  • Not readily available in many areas: C4 batteries may not be readily available in many areas, making replacement difficult.

C4 batteries can be a suitable choice for users who require a longer lifespan, faster charging, and better performance in hot environments.

C2 Vs C4 Battery: In-Depth Comparison Of Performance

Testing Methods And Equipment

To compare the performance of the c2 and c4 batteries, several tests were conducted using sophisticated equipment. Among the tests conducted were:

  • Constant current discharge test.
  • Cycle life test.
  • High-temperature storage test.
  • Low-temperature discharge test.

All tests were conducted under standard temperature and humidity conditions.

Results Of The Performance

The test results revealed that c4 batteries outperform c2 batteries in several ways. C4 batteries have a significantly higher cycle life with over 400 deep discharge cycles compared to c2 batteries, which only managed an average of 200 deep cycles.

Additionally, c4 batteries have better high-temperature storage capacity with only a 10% loss of capacity after 90 days at 40℃ compared to the c2 battery with a 25% loss.

Frequently Asked Questions

Can I use C4 batteries in devices that recommend C2 batteries?

Yes, you can use C4 batteries in devices that recommend C2 batteries. However, it is important to note that C4 batteries provide higher power output, and using them in devices designed for C2 batteries may not necessarily improve the device’s performance.

Are C4 batteries more expensive than C2 batteries?

Yes, C4 batteries are generally more expensive than C2 batteries. This price difference can be attributed to the higher power output and extended lifespan offered by C4 batteries.

Can C2 and C4 batteries be used interchangeably?

Yes, C2 and C4 batteries can be used interchangeably in devices that require a C-type battery. However, it is advisable to use batteries recommended by the device manufacturer for optimal performance.

Are C2 and C4 batteries rechargeable?

No, C2 and C4 batteries are not rechargeable. They are single-use, disposable batteries. If you require rechargeable batteries, you may consider other types such as NiMH (Nickel Metal Hydride) or Li-ion (Lithium-ion) batteries.

Can I recycle C2 and C4 batteries?

Yes, both C2 and C4 batteries can be recycled. It is important to dispose of batteries responsibly and follow local regulations for proper recycling.

Where can I purchase C2 and C4 batteries?

C2 and C4 batteries are widely available in most stores that sell batteries. You can also find them online from reputable retailers.


Considering the differences and similarities between c2 vs c4 battery, it is clear that each type has its advantages and disadvantages.

C4 batteries are powerful, expensive, and have a longer lifespan. On the other hand, c2 batteries are cheaper and have a shorter lifespan, and it can’t provide the same amount of power as c4 batteries.

Overall, c2 and c4 batteries are both excellent options and it is important to carefully consider which one will best suit your needs.

David Gaskill

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