Coil Master 521 Tab Mini


Coil Master

A perfect choice for the experienced vapers wanting to measure their coils resistance, the Coil Master 521 Tab Mini delivers the high performance of its predecessor, all in a compact package. 

The Coil Master 521 Tab Mini measures the resistance of your coils, allowing you to tailor your vaping experience to your needs. Accurate measurements let you know the exact resistance of the coils, so you can vape in the knowledge that you are receiving the vaping performance you want from your build. 


  • Size - 83 mm x 61 mm x 24 mm
  • Resistance measuring range - 0.01-9.9ohms
  • Lowest resistance rate - 0.1ohms
  • Connection - Spring loaded 510 pin
  • Input voltage - 2.7-4.2V
  • Output voltage - 1.8-4.2V
  • Burning protection - 14.5-15.5s
  • Output wattage - 31-33W
  • Battery required - 1 x 18650 (not included)


  • 1 x Coil Master 521 Tab Mini