I don't believe I have ever seen a notebook that charged through a USB port? Especially Gaming notebook the power requirements exceed any USB port that I know of. Sound like you need a tablet for traveling and leave your notebook at home.
G752VY-DH72 Win 10 Pro
512 GB M.2 Samsung 960 Pro
1 TB Samsung 850 pro 2.5 format
980m GTX 4 GB
32GB DDR 4 Standard RAM
Z97 PRO WiFi I7 4790K
Windows 10 Pro
Z97 -A
Windows 10 Pro