When you need the whole setup, the C3 Smart Vape Pen Button-less Battery with USB Charger is what you need. Fits all oil cartridges on menu and any other standard 510 cartridges. C3 has a product that is redefining the premium vape battery market; discrete, powerful and durable. 3 different heat settings; 2.4V, 3.2V or 4.0V Simply tapping the bottom of the battery, no button to break! 5 Taps to turn on/off 4 Taps to preheat 3 Taps to cycle through temperature settings Charge with our USB Charger.