Would you like the portability powered by 2 x batteries or glorious style by 4 x batteries. GX2/4 meets all your demands with the smallest size among all 220W mods in the global. 
See now: https://www.elegomall.com/smok-gx2-4-tc-kit-with-tfv8-big-baby.html

The Authentic SMOKTech SMOK GX2/4 Kit EU Edition comes with a GX2/4 TC VW MOD and a TFV8 Big Baby tank. The maximum output reaching up to 350W when powered by 4 x 18650 batteries, and offers dual 18650 batteries device capacity of maximum output of 220W, supports VW/TC modes. 

Paired with the TFV8 Big Baby Beast Tank, it features a capacity of 2ml, top filling and adjustable airflow system, new engines: V8-Baby-Q2 EU Core. With powerful output and a large e-juice capacity, the SMOK GX2/4 offers you double experiences immediately.

 
More Details: https://www.elegomall.com/smok-gx2-4-tc-kit-with-tfv8-big-baby.html

Which one do you prefer?