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How to Choose the Right 18650 Battery for Your Vape

Eleaf Blog

How to Choose the Right 18650 Battery for Your Vape

Based on battery type, vape mods are generally divided into two types: mod with built-in battery and mod powered by external battery. 18650 battery, 20700 battery and 21700 battery are usually used by manufactures in those mods that need external batteries, among which 18650 batteries are most frequently used. So let’s take a look together why 18650 batteries are so popular in vape mods and how to choose the right 18650 battery for your mod.

18650 Battery for Vape Mod
Why 18650 Batteries are so Popular in Vape Mods

For vaping, the vast majority of 18650 batteries are lithium-ion batteries. The term 18650 refers to the diameter and length of the battery, which measures 18 mm in diameter and 65 mm in length. These batteries are often found in power banks, digital cameras, and other electronic gadgets that require a lot of energy such as vape mods. They also offer high capacities, an average 2200mAh for one battery. What are the benefits of such batteries for vape mods? Let's find out:

1. 18650 Batteries are Powerful

The advantages of Li-ion batteries make them the most popular energy storage type available. 18650 batteries have a lot of power and can supply a lot of energy to vape mods. As we know, obtaining an excellent vaping experience while also producing exquisite tastes requires a lot of power, which is why 18650 batteries are frequently used in vape mods.

2. 18650 Batteries are Rechargeable

18650 batteries are rechargeable, meaning that you can use those multiple times before disposing of them. This is beneficial for the environment and for your wallet! You won't have to keep buying new vape mods every time you want to vape, which saves you money overall. 18650 batteries are also easy to recharge--simply plug them into a power source. With the high adoption of fast charging ability thanks to USB Type-C, coupled with 18650 batteries, running out of battery is not a problem anymore.

18650 Battery Charger
3. 18650 Batteries are Widely Available

18650 batteries are widely available, meaning you can find them in many stores. This is convenient because you don’t have to search for them in specialty stores.

4. 18650 Batteries are Long Lasting

18650 batteries are long lasting, meaning they will last for a long time before needing to be replaced. This is convenient because you won’t have to replace them as often as you would with other types of batteries.

18650 batteries are popular in vape mods because they offer a lot of power and are rechargeable. 18650 batteries are also widely available and long lasting, making them a convenient option for those looking for a reliable battery solution. Great, not yet! There’s another big advantage of 18650 batteries, it’s how easy you could replace them when they’re used in an vape mod, allowing you to bring more than one with you. When you are heading out, running out of battery is out of question anymore!

So here comes the question: how to choose the right 18650 battery for your mod?

How to Choose the Right 18650 Battery for Your Vape

Vapers know that the performance of the battery is essential for vaping. The most prevalent size of 18650 batteries are stable, reliable and thoroughly tested by vapers themselves to ensure they can provide power without fail when needed most - which means you don't have much choice but go with one! It’s critical to choose a perfect set up for your mod, so it works great every time. Here are some important things to consider before picking a 18650 battery.

Types of 18650 Battery

There are two types of 18650 battery: flat top and button top. Button top 18650 battery comes with a slightly protruding positive side, whereas flat top 18650 battery comes with a relatively flush positive side. Such little difference may make the 18650 battery fit or not fit a device. Most vape mods support only the 18650 battery with flat top. But still be sure to check the specifications of your mod before purchasing or just go for the 18650 battery that is already work with your mod.

Flat Top 18650 Battery Flat Top 18650 Battery

Button Top 18650 Battery Button Top 18650 Battery

Main Specifications of 18650 Battery

The most important specification to consider when choosing a 18650 battery for your vape mod is its continuous discharging current. According to the formula, I=P/U (“I” represents discharging current, “P” represents output power, “U” stands for the voltage), the discharging current of the 18650 battery has a direct impact on the output power your mod can deliver. The higher the discharging current is, the higher the output power will be. But what can not be ignored is that many manufactures overestimate the characteristics of their batteries to promote them. So it’s very important to check the actual continuous discharging current and find some reviews from other users for the battery.

Let’s take Eleaf iStick Pico Le as an example to see what kind of 18650 battery is right for it.

Specifications of Eleaf iStick Pico Le with GX Tank

We could see from the specifications of Eleaf iStick Pico Le that the mod can reach up to a power of 75 watts. Usually the voltage of the battery is about 3.3V-4.2V. If the battery drops below 3 volts, it risks being damaged and should never exceed 4.2 V when charging as this may harm your device too! To make it possible for Eleaf iStick Pico Le reaching 75w, the continuous discharge current should be no lower than 17.8A (based on the formula mention above: I=P/U). Sony VTC4 is a good choice for Eleaf iStick Pico Le since it has been rated at a maximum discharge current of 30A.

Specifications of Sony VTC4 18650 Battery

Another trait most vapers are concerned about is the battery capacity of the 18650 battery. Everyone wants as much capacity as possible so that the battery can support vaping longer. However, the maximum discharge rate limits the maximum capacity of the battery and vice visa. For a 18650 battery that provides a continuous 20A current usually has a capacity around 2000mAh. But the fact is that the biggest feature of the vape mod like Eleaf iStick Pico Le is that you could always carry spare 18650 batteries to power up your vaping all the time. So a little compromise on battery capacity is not a problem at all, right?

Finally do remember to look for the right 18650 battery for your vape mod from reliable brands like SONY/LG etc as well as reliable shops, otherwise things could get messy really quickly!