GeekVape 521 Tab Coil Meter


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The Geek Vape 521 Tab is a quintessential accessory tools for building enthusiasts and beginners, featuring an elite level ohm meter with precise accuracy, test fire station, and spacious build deck.

Equipped with high grade Brass-Plated 510 elastic poles, the Geek Vape 521 Tab offers supreme durability and contact, offering readings down to 0.01 ohms with precise ratings for accurate readouts.

The 521 Tab utilizes a single 18650 battery with three-way selector that allows users to switch from off, to ohm reader position, and firing setting capable of firing rebuildable atomizers down to 0.1 ohm.

  • Utilizes Single 18650 Battery (not included)
  • Elite Ohm Reader
  • Test-Fire Capability
  • Spacious Coil Rebuilding Deck
  • Intuitive OLED Screen
  • Resistance Measurement Range: 0.01-9.9 ohm
  • Spring-Loaded Brass-Plated 510 Connection


Battery not included (1 x 18650 battery required)


Warranty: 28 days.


Resistance measuring range: 0.01 – 9.9Ω
Lowest resistance rate: 0.1Ω
Connection : Spring loaded 510 pin
Battery: Lithium 18650, 3.7V (not included with the product)
Input voltage: 2.7 - 4.2V
Output voltage: 1.8 - 4.2V
Quiescent current: 5 - 14 uA
Burning protection: 14.5 - 15.5s
Output wattage: 31 - 33W