521 Tab Mini by GeekVape (Battery not included)

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GeekVape 521 Tab Mini Coil Master is a mini version of 521 tab coil master, which is designed to increase the degree of safety and avoid building a dangerous coil for the mod you are using. The best choice of coil DIY lovers.


Size: 83 mm x 61 mm x 24 mm
Resistance measuring range: 0.01 – 9.9Ω
Lowest resistance rate: 0.1Ω
Connection : Spring loaded 510 pin
Battery: Lithium 18650, 3.7V (not included in 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


  • 1 x GeekVape 521 Tab Mini Coil Master 

Simple packing. Customary packing from the factory, the packing is subject to change without notice.




  • Smaller in size
  • Added battery level indicator on screen
  • Added USB port for charging
  • Coil resistance meter
  • Dry burn DIY coils
  • Reverse battery protection
  • Low-voltage protection
  • Compact size
  • Short circuit protection
  • Breaker protection
  • Low resistance
  • High temperature protection
  • Coil resistance notifier on screen


OFF - Turn off

Fire (switch button) - Burning mode, press "fire" to dry burn coil
OHM Reader: Resistance measuring mode