Not sure if your talking about the whole setup with batteries and all but if you have everything else, all you would need for now is the GGTB and possibly a 901-510 adapter if you are using 510 atty. Other adapters fit as well. If you use 901's it ready to vape. It comes with a false battery insert so u can use different battery sizes listed of vaporkings website as well as voltages. Till the AVS is made for the GGTB, there is nothing else for now you will need in my opionion.... Hope this helps some.
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