MOD electronic cigarette is an e cig device that users DIY themselves, such as battery tube, atomizer and other accessories. However now, many ecig manufacturers also make mass production of MOD.
From the shape points, there are two types of MOD e cigsâ€”Tube and Case; from the function points, one is mechanical MOD. Its output voltage changes as the battery voltage changes; the second one is fixed voltage MOD which uses steady electric circuit inside and makes the output voltage stable; Another one is variable voltage MOD, which you can choose the voltage you want.
Warning: Please use high-quality, high drain and big-brand battery(Sony, Panasonic, Sanyo). Low-quality battery is easy to cause explosion and fire.