Eleaf iStick 50w Box Mod Review

Eleaf iStick 50w Box Mod
Eleaf iStick 50w Box Mod

Review Score


Built-In Battery Capacity: 4400mAh

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Highly valued for their long battery life, box mods are one of the most feature-packed devices out there. They provide hours of vaping on a single charge while remaining reasonably compact. Box mod are favorite among many users, both for those just starting and the more advanced ones.

The Eleaf iStick 50w Box Mod brings a lot of power to the table along with a massive battery. Taking just a single look at it makes it clear that the company wanted to satisfy everyone’s wishes with the numerous features. In this article, we’ll see if they managed to pull it off.


Boxing & Contents

The box design is relatively simple, with a bland background and the device picture on the front. The color changes according to the one you picked. Upon opening it, you’re presented with the device under which are the needed accessories. All contents of the box are:

  • The Eleaf iStick 50w
  • A USB cable for charging
  • One user manual
  • A wall adapter
  • One eGo threading connector


Eleaf iStick 50w Box Mod

Atomizer Resistance Range:
0.2-5 ohms
Wattage Output:
Voltage Output:
510 Thread
Charging Time:
5h with the original adapter

Design & Characteristics

The device has a stylish design with a glossy monochrome finish and a metallic top and base. A black stripe on the side carries the two buttons along with an OLED screen. The buttons are of high quality and emit close to no rattle. The iStick has a rectangular design with rounded edges that make it extremely comfortable to hold. This has been smartly combined with a chrome firing button on the side to allow for easy vapes.

A side Micro USB port doesn’t get in the way of vaping even during charging. The OLED screen displays basic data, such as voltage, wattage, battery life, and tank resistance. All the information is formatted nicely and is easily understandable even by novice users. It’s incredibly lightweight that you won’t even notice the huge battery inside of it. The overall build feels sturdy and solid, giving off the feeling of a much more expensive device than it actually is.

Eleaf iStick 50w Box Mod


Packing a massive 4400mAh battery, the iStick is going to last anywhere from a day to even a week depending on how often you vape. You’ll hardly be able to find another box mod that’s going to last this long. The charger that comes in the box is going to take about five hours to give it a full charge. However, the fun’s not over when it empties. The device has a passthrough charging function – you can use it even when it’s plugged in.

It has numerous safety features, including short circuit and low voltage protection, combined with the automated switch off. If the device goes over 70 degrees Celsius, it’s going to turn off automatically and go into a temperature protection mode due to its integrated alarm.

One con of this battery is that it’s built-in. You can’t simply switch it out once it’s empty, which means that you’ll be stuck to the power outlet until it recharges. Also, if it goes faulty, replacing it is an extremely complicated process.

Eleaf iStick 50w Box Mod

Tank Variety

iStick 50W Box Mod is highly customizable and supports an ample amount of atomizers. The wide resistance range combined with the 510 threading and eGo adapter means that a big number of tanks and atomizers is going to fit completely flush.

The connector is spring-loaded and leaves no free space between the tank and the mod. Of course, you’ll need to purchase or use an existing tank of your own, since it doesn’t come with one in the package.


50W of power is going to bring out the most out of any tank that you put to use. Even though many users are not going to go that high, it’s nice knowing that you have that big of a range. Anything above 40W is going to leave a burnt taste with many atomizers.

Switching between voltage and wattage option is easy – just press the main chrome button three times in succession. The two side buttons are used to increase or decrease the selected option. If you’re a cloud chaser, it’s not going to leave you wishing for anything else.

Eleaf iStick 50w Box Mod

Pros and Cons


  • Absolutely massive battery (4400mAh)
  • Extremely comfortable to hold due to the rounded edges
  • Lightweight and compact
  • Doesn’t need to be charged frequently (once per day if you’re a really heavy vaper)
  • Wide resistance, voltage and wattage range
  • Supports a big number of atomizers
  • Numerous security features
  • Suitable for all types of users
  • Side charging port allows for comfortable vaping even when plugged in


  • A bit of a firing delay
  • The button is not indented – it can easily auto-fire in your pocket
  • The integrated battery makes it extremely difficult to service
  • The display doesn’t indicate device temperature
  • Metal surfaces are going to be a fingerprint magnet


Although it’s not perfect, the Eleaf iStick 50w Box Mod is definitely a device worth checking out, especially if you’re a beginner. The battery is likely to last you for a whole week. It’s not going to overheat easily, and in the rare cases that it does, you have peace of mind with the built-in temperature alarm. At the price that goes as low as $30, you’re hardly going to find another box mod that offers this much with it.

The big battery, in combination with its portability, makes this the perfect traveling device. You’ll always have it as a backup that you don’t have to charge often. If you’ve used it or plan on using this device, make sure to share your opinion and help out the vape community in the comments below!

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