Batteries undergo frequent charging and discharging when they release power. The role of C-rates is that they control the battery charge and discharge rate. Different batteries have different discharge rates, thus equivalent to different C-rates; examples are C1, C2, C3, and C4 batteries. The use of batteries necessitates us to know the difference between the ratings, as they are essential during their applications. So, what is there between the C2 vs C4 batteries?
The differences in the C-ratings lie in the complete charging, discharging time, and the capacity of the batteries. A C4 battery has a higher charging rate and more power than a C2 battery. Today we look at the in-depth disparity between the two.
Table of Contents
What are C Batteries?
The C batteries are standard dry cell batteries for medium power applications such as torches and toys. C batteries are cylindrical-shaped and have a size that falls in between the AA and the D size. Their physical dimensions are 50.0 mm (1.9685 inches) in height and 26.2 mm (1.0315 inches) in diameter.
They belong to the dry cell group and thus are ideal for portable devices as they operate at minimal internal moisture. The power and capacity depend on the chemical composition of the cell. C batteries require medium to high power consumption.
The “C” on the batteries represents their rating. This rating shows how much current a battery can give off in a certain amount of time.
C batteries are also referred to as LR14 batteries, R14 batteries, MN1400 batteries, 343 batteries, U11 batteries, etc.
Types of C batteries
There are two main kinds of C batteries, namely:
1. Primary batteries
They are also known as non-rechargeable or disposable batteries. This type of C battery’s life depends on the cell’s chemistry. Once the battery utilizes the total charge, they are disposed of as they have no use. The composition of these batteries includes:
- Alkaline.
- Lithium.
- Lithium Manganese Dioxide.
- Lithium Sulfuryl Chloride.
- Carbon Zinc.
- Nickel Metal Hydride.
2. Rechargeable batteries
As the name suggests, these C batteries allow you to recharge upon depletion. This feature earns them a long-lasting performance and extended life, making them the better choice of the two. They are independent components or features in electrical devices such as torches and musical instruments. Their composition includes:
What Are C batteries Used For?
C batteries are perfect for mid to high-level power consumers. These applications can range from small torches to musical instruments. Examples include:
- Torches.
- Toys.
- Walkie-talkies.
- Musical instruments.
- Intruder alarms.
- Radios.
- Cameras.
What Are C2 batteries?
C2 batteries can discharge for thirty minutes, providing a constant charge of two amps. C2 batteries have a thin layer of padding made of soft fibers above the air cavity. C4 battery usage presents some pros and cons. They include:
Advantages
- It contains no toxic, heavy, or acidic materials.
- It has a high usable energy ratio and a lower self-consumption rate.
- Has an extensive operative temperature range.
- It is quick to install and has no limits when it comes to paralleling.
- Lightweight when compared to other batteries.
- For the rechargeable type, it has a safe LiFePO4 composition.
Disadvantages
- It has an output of 2 amps.
- It heats up when charging at high power.
What Are C4 Batteries?
C4 batteries provide a maximum of four amps and take 15 minutes to discharge and charge. They offer more charge and take less time to charge. Some of its pros and cons during usage include:
Advantages
- It is cheap to purchase.
- Has a moderate discharge rate.
- Has no heat dissipating problem when correctly charged.
- It has a longer shelf life.
- It contains no toxic elements.
Disadvantages
- Weaker productivity.
- Shorter usage time.
C2 vs C4 Batteries - The Key Differences Between C2 and C4 Batteries
Both C2 and C4 batteries have their own pros and drawbacks. However, they are not similar. The two classes of batteries differ in their drainage capacity and charging times. The most obvious difference between the two batteries is the amount of current they provide per unit of time.
However, the most significant difference between C4 and C2 batteries consists of the design and features each sample brings to the user. The C2 model has a unique battery design that excludes the foam above the air mattress, which is found in the C4 model.
Here is a summary of how C2 and C4 batteries differ:
| C2 Batteries | C4 Batteries |
|---|---|
| It has a thin layer of soft fibers directly above the air cavity | Has layers of foam and padding on The top of the air mattress |
| Slow charge And discharge rate | A higher charging And discharge rate |
| It has a maximum output of 2 amps | It has a maximum output of 4 amps |
| It takes 30 minutes to charge or discharge | It takes 15 minutes to charge or discharge |
| Low energy density | A higher energy density |
| Long usage time | Short usage time |
Which Battery is Better?
Choosing the best one depends on the planned use of the batteries. If your main plan is to achieve top speed, for instance, in a car toy, then the C4 is your perfect choice. A C4 gives great power for short periods.
The C2 batteries have fewer heat issues and can be used for longer periods of time. For general use, the C2 is preferred because it lasts longer and can be used in devices like flashlights, cameras, and action figure toys.
What About C8 Batteries?
C8 batteries are dry cell batteries with a package of eight units of C-type batteries. They have an 8 amp per unit time current output. Compared to the C4 batteries, the C8 is larger in size. However, they have more capacity, shorter charging times, and slower discharge rates, thus making them a superior choice. Also, the C8 batteries are known to last longer than the C4 and C2 batteries.
FAQs - C2 vs C4 Batteries
How long do C batteries last?
Can you use AA instead of C batteries?
Not really. C batteries have more voltage and energy dissipation rates than the AA type and thus are incompatible.
Are all C batteries the same?
No, C batteries differ in size, features, and uses.
Do AA or C batteries last longer?
C batteries last longer than AA-type batteries, i.e., C batteries last for 18 hours on 200mAh while AA lasts for 6 hours on the same load.
Is Duracell better than Energizer?
Both brands use the best technology to make their batteries, but the Duracell wins the contest because it provides more lasting and usage hours than the energizer type.
Conclusion
You cannot deny that both C2 and C4 batteries are great for long-term use and work well in many areas. Knowing what battery to get for what use can help you get the optimal cost savings. You can also get the right battery for effectively working your equipment. However, when it comes down to making a single choice, C4 batteries take the win. It has better charging speeds, a longer lifespan, and delivers more power, compared to the C2 batteries.
James is an engineer and a professional blogger. He has gained extensive experience over the years, handling all types of power projects. He loves to share his experiences with all things related to batteries, generators, and other power-related topics.
