Cartisan Black Box Pack

Cartisan Black Box Pack:

• The King of 510 thread battery’s
• Revolutionary – it works with all 510 cartridges
• 11.5 mm opening to fit all cartridges
• 900 mAh battery (Battery life that lasts days)
• 3.4, 3.7, 4.0 Variable Voltage Settings
• Easy charge with micro USB cable
• Liquid level inspection window
• Awesome smooth rubber finish