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Innokin Coolfire IV


  • £3999

Cool Fire IV Mod

The Cool Fire IV Mod comes with 40W of vaping power, fires a full range of tank resistances and each is made with the highest quality materials to create a vaporizer that you can rely on.

Compact power, bright OLED display, long lasting battery capacity and easy to use menu system.

Cool Fire IV Mod is available in Black and Silver.


  • 6 - 40W / 3 - 7.5 V with a Maximum Output of 14.5Amp
  • Variable Voltage: Voltage can be adjusted from 3.0 - 7.5 volts in .1 volt increments.
  • Variable Wattage: Wattage can be adjusted from 6.0 - 40.0 Watts in .5 watts increments
  • Fires resistances from 0.2 - 3.1Ohm.
  • Remembers last Voltage or Wattage setting
  • RMS DC current accurate to a power deviation of 0.5W
  • 2000mAh battery
  • Charge the CoolFire IV with a standard Micro USB cable and vape at the same time with Innokin’s ‘Vape while charging’ technology.
  • 86mm Height
  • Vape Timer, Puff Counter & Battery Level Indicator
  • 3 Button control
  • ON/OFF Battery Switch
  • SAFETY :15 second cut-off
  • Flip OLED screen orientation
  • Low Voltage Warning
  • Short Circuit/Atomizer Protection
  • Over-Discharge Protection
  • Overheat Protection

The Cool Fire IV has a flush 510 connection with a spring loaded positive pin,
durable stainless steel threading, an included ego adaptor.

There is no wasted power and exact accuracy means you are always vaping the power level that you choose. Vrms provides superior precision in delivering the exact wattage Ohm’s Law requires and stable power means better vapor.

The high quality OLED screen looks great and clearly displays the resistance of the attached tank & coil, voltage, wattage and also accurately shows the remaining battery charge.


  • Only 86mm / 3.93” Tall, which makes it compact!
  • Available in 2 colours with lasting metal finishes which look beautiful! 
  • Vape Timer, Puff Counter, Integrated Short Circuit protection, Left/Right Screen Orientation, 15 Second cutoff & more. Which makes this a very intelligent device! 
  • 3 Buttons for Total, Precise, and Comfortable Control. Very easy to use! 

*This product is perfect to use with MTL (Mouth to Lung) Tanks!*

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