Cartridge Battery (Heating Ring)

Features:

  • Smart preheat function up to 90 seconds to work well for thick oil especially in Canada cold environment
  • 4 Level voltage adjustment, variable voltage: 2.5v (white), 3.0v (blue), 3.5v (green), 4.0v (red)
  •  Works with our vape cartridges to produce many type of performance to suit for different oil and customer’s requirements.
  • USB charger indicator
  • 900 mAH internal rechargeable battery
  • 510 Thread connection for universal cartridges
  • Safety protections: Over current/ over charge/ short circuit/ low voltage/ over discharge