Just unscrew the best 50 percent with the pen, then screw The underside portion to the USB charger. Plug the charger into a USB port to start charging. Apart from the battery’s modern day technology, this twin-use vaporizer also produces very flavorful vapor on account of its wick tank. http://treefreehemp0.get-blogging.com/1592566/the-greatest-guide-to-how-is-cbd-isolate-made