There are tons of mods , out there , that will allow you to vape at 5 or 6 volts . Any of the VV devices (variable voltage) The ProVari , is one . And a lot of the mods , can use sevral different sizes of batteries , allowing for vaping at different voltages , as well . I myself , have a Reo Grand , and a couple Prodigy V3.1's , You can vape these at 3.7 , 5 , or 6 volts , just by changing the batteries . So lots of choices , out there . Good luck , in your search .