e-Smart is the latest compact electronic cigarette from Kangertech. High capacity batteries rated at 320mAh and the latest easy to use clearomizer technology.
The batteries use standard KR808D-1 style threading so they are backwards compatible with your existing 808D-1 style cartomizers. e-Smart batteries will -not- charge in a KR808D-1 charger and KR808D-1 batteries should not be charged on the e-Smart USB charger.