Comparison Between 14500 Vs 18650 Battery

by John Smith Learner

In the portable power market, the 18650 vs 14500 battery is more common and is also known for its specialized use.

A damaged battery can damage the device beyond repair. Therefore, it is very important to choose the right battery for your device to ensure proper maintenance and a longer life cycle of your device. After that, there are many types of batteries and compatible devices available in the market.

This article will provide a comprehensive comparison between 14500 vs 18650 battery. Also what is the difference between them? And their advantages, areas of application, etc.

What is an 18650 battery?

The 18650 battery is a rechargeable lithium ion battery. The dimensions are 18 mm and the height is 65 mm, which is the industry standard size. Meanwhile, the capacity is usually between 1200 mAh and 3600 mAh.

18650 battery can accurately achieve full charge and full discharge. However, this process does not affect their performance.

rechargeable 18650 battery

rechargeable 18650 battery

What is 14500 Battery?

The 14500 battery is a rechargeable lithium battery. As you can see, the 14500 lithium cell is similar in shape and size to a standard AA battery.

However, there is one thing we need to emphasize that all standard AA alkaline batteries are 1.5V. But the battery is 14500 at 3.7 volts. That's a huge difference!

Comparison of 18650 and 14500 batteries

Below we compare the differences between the two from different sizes, not only electrochemical properties, but also areas of application, etc.

Chemistry

In the market, almost all 18650 batteries and 14500 batteries are made of NiCoMn triple material, but some 18650 batteries are made of LiFePO4 material.

Voltage

Since both are made of NiCoMn ternary materials, their voltage is the same. 18650 rechargeable batteries can take no more than 4.2V, likewise 14500 batteries can take up to 4.2V. And their charging current can be 1C (what is the C rating of the battery).

Power

A general 18650 Li-ion battery has a larger capacity, its capacity can vary from 1200 mAh to 3500 mAh, and a 14500 battery is usually 500 to 800 mAh.

Sizes

As you can see, the size of 18650 lithium battery is bigger than 14500 lithium battery. A typical 18650 lithium battery measures approximately 18mm x 65mm, while a typical 14500 lithium battery measures approximately 16mm x 50mm.

Rate Of Pay

Generally speaking, a higher rate 18650 battery can reach a maximum discharge rate of 10C, but all 14500 batteries on the market can only support a discharge rate of 05-1C.

Battery Life

18650 batteries are mature batteries that provide more battery and longer battery life in their cells. It is technically better than 14500 in terms of power supply and is more reliable. 18650 battery life can be up to 800-1000 times and 14500 battery life is up to 500-800 times.

Application field of 18650 batteries

18650 Li-ion batteries are widely recommended for portable electronic devices and electric vehicles, such as power tools, flashlights, electric motorcycles and electric vehicles.

The Field Of Application Is 14500 Battery

These 14500 Li-ion batteries are widely recommended for portable electronic devices such as cordless power tools, power tools and flashlights.

Who Is Better 18650 Battery? Or A 14500 Battery?

14500 Lithium Battery is a rechargeable battery with its own characteristics. However, compared to 18650 batteries, the regular 14500 Li-ion battery does not really excel when it comes to power density output. A 14500 battery has less capacity than an 18650. As mentioned above, it all depends on the user and what the user's actual application is.

For Instance,

If a battery compartment is specified, such as some flashlight models, the size of the battery compartment does not change. Obviously we can't use 18650 but only 14500 battery.

For scooters or low power vehicles that require high power and battery discharge rates. Obviously, we can't use 16650 batteries, but 18650 batteries can run electronics longer and more efficiently.

Based on these two examples, we can say that neither way is better than the other, and both are probably the best solution in any given situation. The most important thing is to define the requirements correctly so that we can make the right choice.

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Created on Jul 27th 2023 04:21. Viewed 105 times.

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