Innokin Cool Fire IV 40W

  • $54.99 Save 11%
  • $48.95
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Please Note: this product has been phased out, and will not be restocked.

The Innokin Coll Fire IV is a 40W, variable voltage/wattage, sub-ohm battery with a 2000mAh capacity, in a compact, robust built, from one of the most reliable manufacturer in the business.


The Innokin Cool Fire IV is a sleek looking, reliable, and compact 40W, variable wattage, sub-ohm battery by Innokin, one of the most trusted names in the business.

It's variable wattage can be set between 6W up to 40W, in .5 increments, and it works with coils ranging from 0.2ohm to 3.1ohms.

With its compact size of 86mm, its 2000mAh battery capacity, and its solid build, the Cool Fire IV is an ideal sub-ohm battery for nomad vaping.


  • Variable Wattage and Voltage: 6-40W / 3-7.5 V with a Maximum Output of 14.5A
  • Precise: RMS DC current accurate to a power deviation of 0.5W and fires resistances from 0.2-3.1Ohms. Optimal resistance 0.3-2.5Ohms
  • Intelligent: Vape Timer, Puff Counter, Integrated Short Circuit protection, Left/Right Screen Orientation, 15 Second cutoff & more.
  • Long lasting: 2000mAh battery capacity
  • Compact: 86mm / 3.93” tall
  • Always Ready: Charge the CoolFire IV with a standard Micro USB cable and vape at the same time with Innokin’s ‘Vape while charging’ technology.
  • Easy to use: 3 Buttons for Total, Precise, and Comfortable Control.
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