The wall adapter is a must if you’re constantly vaping while at your house. This wall adapter will plug into any US style power outlet to provide a powered 500mA USB outlet.
This unit will not power the 510 USB Pass-Through as that pass-through requires at least 750mA output on the USB.
Input: 110-230 AC (US power plug)
Output: 5V DC +/- .5v, 500mA (USB)