Originally Posted by sropedia
Apparently they are a higher voltage but they charge the phone faster and are safe to use. Also you can get them for cheapo online
Sent from my HTC One X using xda app-developers app
I doubt anything with higher voltage is
safe to use. Higher amperage is what enables fast charging. Regular USB is 500ma, the stock HTC chargers are 1000ma (1amp) that have faster charging.
Sent from my HTC One XL