eGo Q Vision (CE4/StarDust) Passthrough Kit - $19.90

The passthrough can keep working nonstop at 4.1-4.2v while being connected with computer via a 1200mm Stretchable USB cable. You can use the passthrough like a battery.

The eGo Q passthrough's button has a 5-click On/Off lock. Please press the button 5 clicks within 2 seconds and activate the battery.

The vision eGo Clearomizer can hold 1.6ml ejuice. No leakage. Good vapor and taste.