
The left vaporizer is an eGo-C cone on an eGo style 650mAh battery. The middle unit is a 3.5ml DCT on an eGo style 1100mAh battery. The unit on the right is a DCT on an eGo style 900mAh pass-through battery. A pass-through has a USB port on the bottom to facilitate charging as well as usage without battery depletion when plugged into a USB port on your computer or wall mount power supply.