Coil Master 521 Tab Mini V2

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Coil Master 521 Tab Mini V2

The Coil Master 521 Tab Mini V2 delivers a modern update to the original multi-functional building accessory, retaining the features of ohm meter reader, voltage drop checker, rebuild deck, and test fire station.

It is equipped with a 510 spring-loaded connector and intuitive OLED screen with pipe symbol for test-fire setting and measurement readouts. While your RDA is attached and juiced up with today’s top e-liquids, you can read the current ohm status and test fire it. Overall, this is a game-changer, one of the most fascinating device engineered for advanced vapers and DIY cloud chasing enthusiasts in a carrying-size device.


  • Dimensions: 80mm by 80mm by 28mm
  • Resistance Measurement Range: 0.05 – 9.99 ohm
  • Min Resistance Rate: 0.1 ohm
  • Single 18650 Battery Required – (not included)
  • Ohm Meter
  • Voltage Checker
  • Coil Rebuilding Deck
  • Test-Fire Attys
  • Reverse Battery Protection
  • Short Circuit Protection
  • Spring Loaded 510 Connection Pin

Pack contents:

1 x Coil Master 521 Tab Mini V2