The Eleaf iStick 50W's compact size makes it very convenient and portable, but it also packs many amazing features, including variable wattage with 50 Watt maximum output, 0.2ohm resistance capability, and a beautiful OLED screen. Powering the iStick 50 Watt is a beefy 4400mah Li-ion battery which can be charged via mini-USB port on the base of the device.
Compact yet Powerful!! The Cuboid Mini comes with the similar design of the Cuboid but in a tiny shape, which is much easier to grip It is powered by a 2400mAh built-in battery, whose maximum output can be reached to 80W.
This is the Kanger E-Smart Starter kit which features two complete slim-line Electronic Cigarettes. This kit is ideal for the light smoker (½ pack/day) but offers more battery life between charges with the 320mAh batteries.