Innokin Cool Fire 4 Review

For those vapers wanting a bit more power, there is also an option to upgrade to the Coolfire IV plus Apex 70W Kit.

Where there’s smoke there’s fire. Where there’s vape, there’s cool fire! The Innokin Cool Fire 4 vape mod is one of the most spoken about vape mods in the UK, especially for beginner and intermediate vapers. Word on the street is that this is the ultimate cloud chaser relative to its power – a 40W device. Let’s see if the rumours are true.

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Design/Build:

One of the most notable aspects of the Innokin Cool Fire 4 is the design. From the overall feel of this device and where the buttons sit to its curvy design, it feels like a perfect fit. The natural feel enables you to fully envelope this device in your hand. This vape mod generally comes in a hard plastic cover which is neatly packed with the contents – the device, the charger and the 510 eGo adapter toward the top. Overall, elegance is the word that comes to mind when describing the ergonomics.


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Performance:

The Innokin Cool Fire 4 runs between 3.0V to 7.5V in 0.1V increments. Similarly, you can run it from 6W up to 40W in 0.5 increments. The maximum output current is 12 amps and the minimum ohm resistance is 0.3 ohm. That said, this device will vape amazingly well on all new sub tanks such as the Delta 2 and eGo One. Keep in mind that tanks like the Aspire Atlantis 2 or Mega have a 0.2 ohm option which this device won’t be able to hit.

We tested this device at 30W set at 3.7V with the new-ish iSub glass tank which uses 0.5 resistance coil. We also used it at full air flow. So how did we do? The cloud exhaled from this device using these settings was larger than what we saw from the Eleaf iStick 30W. And the experience? It provided a fantastically smooth vape.

The battery is 2,000mAh which is the one downside to this device. Why? If, for example, you are vaping at 30W+ and you are vaping it full time, you won’t make it through a whole day on this. HOWEVER, this device also has pass-through functionality which means you can vape on it while it’s charging. This essentially negates the battery power, especially if you are usually near wall outlets or a computer (who isn’t these days?).

Kit Layout:

Innokin Cool Fire 4

Kit Content:

  • Adjustable Voltage 3.0V – 7.5V
  • Adjustable Wattage 6W – 40W
  • 2,000mAh (internal high drain polymer li-ion rechargeable 18650 size battery)
  • Standby current of 100uA max
  • Maximum output current 12A
  • Recommended clearomizer resistance: 0.3 ohm
  • Resistance range: 0.2 – 3.10 ohm
  • Size: 86mm height
  • Micro USB DC5V/1A
  • OLED Display


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Features:

The one unique feature of the Innokin Cool Fire IV is that it comes with a separate ‘power’ (on/off) switch just like a real appliance. Almost all box mods come with the standard 5 click on/off feature which is a minor annoyancce. With the Innokin Cool Fire 4, there is no need for this. Moreover, you have a 15 second cutoff which is 1.5x longer than the standard cutoff of 10 seconds. This will obviously allow you to blow some pretty sizable clouds if that’s what you are looking to do. Another positive feature of this device is that the USB charging port sits right under the digital screen, thus allowing you to charge the device in the upright position. Also, when hitting the plus and minus buttons next to the screen together quickly, you will see your hit counter – showing you how many puffs you have taken so far on the current cycle. Additionally, if you hold down both the plus and minus buttons for a few seconds, the screen will switch upside down – a nice feature for left handed vapers. And of course, this device comes with all of the built in safety features – a built in battery, short circuit protection, etc. Here are the features and specs laid out for your convenience:

  • Adjustable Voltage 3.0V – 7.5V
  • Adjustable Wattage 6W – 40W
  • 2,000mAh (internal high drain polymer li-ion rechargeable 18650 size battery)
  • Standby current of 100uA max
  • Maximum output current 12A
  • Recommended clearomizer resistance: 0.3 ohm
  • Resistance range: 0.2 – 3.10 ohm
  • Size: 86mm height
  • Micro USB DC5V/1A
  • OLED Display


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Ease of Use:

The Innokin Cool Fire IV is generally simple to use like many of the top box mods on the market. When you turn on the device, you will notice that it is in voltage mode. Changing it to wattage mode is simple – simply simultaneously hold down the firing button and the ‘plus’ button. If you’d like to switch back to voltage mode, hold down the firing button and the ‘minus’ button at the same time. You will also need to hold the buttons for a few seconds in order to make these changes which is a nice security feature. It does have an automatic shutoff mode which should probably be a bit longer in our opinion but this is nitpicking.

Scrolling is very quick when changing wattage or voltage levels. Unlike many box mods, when you scroll to the highest level, that’s it – you can’t go any higher. This device continues in a ‘wrap around’ pattern meaning it continues circling through the levels until you let go of the buttons. Furthermore, the screen shows your resistance, voltage level and wattage level, along with how much battery power you have left. Overall, we rate this as a tier-one device in terms of usability.


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Price:

Considering the Innokin Cool Fire IV has more wattage, we were expecting somewhere in the mid £50’s range. However, this device is only £44.94. Needless to say, we were beyond enthusiastic about the pricing, especially because this mod gives off just about as much vapour as other more powerful devices.


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The Verdict:

Overall, the Innokin Cool Fire 4 design, functionality, performance, and astethics, is outstanding. It also happens to have some pretty cool built in features such as the separate power button and the pass-through feature. Additionally, the vapour production from this device is nothing short of outstanding. This is our favourite 40W vape mod on the market right now.

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