ok im still new here and relatively new to vaping now. the question is what fits with what? 808->901? stuff of that nature what attys fit on and work on which batterys.. similar threading... ect you know wasted $ on pointless adapters for stuff that works anyway. at the moment i bought an m702 revolver and a flashlight mod true 901.. i should of just saved my money and got an adaptever or an indulgence but i dident know about them at the time.. 20/20 right so can anyone help me out?