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Discussion 26650 Battery Vs 18650 Battery

16 Sep, 2021

By hqt

If you are curious to know about the main differences between 18650 battery and 26650 battery, then you have come to the right page. Here, you will get to know everything about these two batteries. Also, this guide helps you decide which battery whether 18650 battery or 26650 battery is the right choice for your application. However, as a popular battery, you may want to know more about 18650 battery performances and their comparison, such as Highest Capacity 18650 Battery 2019 and Difference between 18650 Lithium Battery and 26650 Lithium Battery.

If you are curious to know about the main differences between 18650 battery and 26650 battery, then you have come to the right page. Here, you will get to know everything about these two batteries. Also, this guide helps you decide which battery whether 18650 battery or 26650 battery is the right choice for your application.

When you look for batteries online, you are sure to end up finding so many types of battery available out there in the market. There is no doubt that lithium-ion batteries or rechargeable batteries are quite popular these days because of their higher capacity and discharge rate. They are commonly used for electronic devices, especially portable ones and electric vehicles too. Amazingly, their usage is also seen in applications of aerospace and military.

Further, there are so many types of rechargeable batteries, which include 14500, 16340, 18650, and 26650 rechargeable batteries.

Among all rechargeable batteries, there is always ongoing confusing between 18650 rechargeable batteries and 26650 rechargeable batteries. It is all because both these batteries are quite a trendy topic in the world of vaping and flashlights. Thus, if you are flashaholic or vaper, then you may probably know about these two types of batteries. This guide will help you to clear confusion by telling all the main differences between these two batteries in detail.

What is the difference between 18650 and 26650 battery

Here, we are going to differentiate between 18650 and 26650 rechargeable batteries in terms of various factors-

  1. Size

For 18650 rechargeable Lithium-ion battery, 18 stands of 18mm diameter and 65 stands for 65mm length and 0 indicates that it is the cylindrical battery.

On the other hand, for 26650 rechargeable Lithium-ion battery, 26 stands for 26 mm in diameter, 65stands for 65 mm in length and 0 indicates a cylindrical battery. Because of the size, they are capable of delivering much power to even a small flashlight.

Thus, the one main difference between these two batteries is the diameter. As you can see that 26650 battery is larger in diameter as compared to 18650 battery.

  1. Capacity

Now, it comes to capacity. Well, the capacity of 18650 rechargeable Lithium-ion batteries is around 1200mAH - 3600mAh and the capacity of these batteries are supported by most vape box mods, which include regulated box mods and mech mods.

When it comes to 26650 rechargeable Lithium-ion battery, they have the large capacity as compared to 18650 battery and thus, enabling a quite long run time between charges. Because of their high capacity, they can be utilized in VV vape box mods.

  1. Voltage

Most 18650 rechargeable lithium-ion batteries charge to the 4.4V maximum. The charge current of these batteries is around 0.5 times the battery capacity. Like 18650 lithium-ion batteries, 26650 batteries features chemistry called Lithium Manganese Oxide with a nominal voltage of 3.6 to 3.7 V per cell. However, the maximum suggested charging voltage is 4.2V.

These are the main differences between 18650 and 26650 battery you should know before you purchase rechargeable types of batteries.

Which battery would you like better, 26650 battery or 18650 battery

Now, the next main concern is which battery is better whether 26650 battery or 18650 battery. Then, the simple answer to the question is it depends on your needs and requirements.

At present, the 18650 rechargeable lithium-ion batteries are an extremely famous battery source for today’s high-tech flashlight as these batteries carries much power. Keep in mind that 18650 battery styles and sizes can vary from manufacturer to manufacturer. The good news is that the industry is trying to standardize the 18650 battery size. Also, 18650 rechargeable lithium-ion batteries aren’t designed to run optimally in temperature below freezing.

On the other hand, 26650 rechargeable lithium-ion batteries are high capacity and a high-performance battery that is designed to offer outstanding power for high-drain devices.

There are some things you can consider when it comes to choosing these rechargeable lithium-ion batteries. This will help you to choose the right one for your application:

· Read the instructions and guidelines on the electronic device or application you would like to use the battery before you make any purchase. This will provide you with the information related to voltage and compatibility and ensure you to buy the right one for your device.

· Eco-friendly batteries should be your first priority as they are great for your health and environment too.

· Another factor that you should consider is durability as you don’t want to purchase another battery before the year completes.

Consider these points in your mind while you are buying rechargeable lithium-ion batteries. This will help you to make a purchase right for your application or electronic.

Also, remember that there are two other terms you are going to see on the labels of rechargeable lithium-ion batteries - protected and unprotected.

Protected batteries come with a small electric circuit that is embedded in the cell packaging. The circuit is designed to protect the battery from various problems such as temperature, overcharging, over current or under current.

On the other side, unprotected batteries don’t come with this small circuit in their battery packaging. That’s why these batteries possess more capacity and current capability as compared to the protected ones. However, protected batteries are safer for your applications and devices.

Can I use 26650 battery and 18650 battery together

Both 26650 and 18650 batteries can be used to provide power for all types of applications and devices that require a battery of their size. Because of different specifications and traits in the batteries and also devices, you need to determine which one is right to use for your particular purposes and needs.

Well, 18650s rechargeable lithium-ion batteries can be used alone or with other batteries too including 26650 batteries in order to build battery packs and power banks or devices used for recharging a device. So, depending on the purpose, both 26650 and 18650 battery can be used together.

However, both these batteries are the perfect choice for flashlights, torches and vaping devices.


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