The Innokin Cool Fire IV mod is modern, stylish and offers a range of up to 150 Watts of power and temperature control from its 4000mAh battery. High quality stainless steel 510 threading and gold plated spring loaded connector makes it compatible with all standard 510 tanks.The CoolFire Ultra has the ability to charge while vaping and has several other protections system to help prevent damage to the device.


Battery: 4000mAh

Maximum output Wattage: 150W

Maximum working Current : 36A

Maximum output Voltage: 7.5V

Atomizer Resistance: 0.1ohm (Minimum)

Temperature Control Mode: Ni (0.1‐0.2 Ohm),Ti (0.1‐0.5Ohm),

Stainless Steel 0.2‐1.0 ohm coils are recommended.

Charging: 5V/1A

150‐315 °C 

300‐600 °F 

Operating Wattage Range 6.0‐150W

Temperature Control

Direct Current

Balanced Coil Heat‐Up

Ultra‐low External Heat Generation

Dry Hit Detection & Prevention

Ultra Low Standby Power Consumption



  • 1 x CoolFire Ultra TC150 Box Mod
  • 1 x Micro USB Charging Cable
  • 1 x User manual

Innokin Cool Fire IV Ultra Mod