I use some third party usb cables and plugs at work, including some from Samsung, HTC and others, but it takes them forever to charge my phone. One time after one hour after plugging it in the batter level only increased 5% I found that it doesn't matter which usb microusb cable I use with my LG G2 Plug, but it can take my phone from 26-100% in just 45 minutes. IT does the same thing in the same outlets at my work. What makes the LG G2 plug special and where can I buy a comparable plug?