Genuine HTC Car Charger for HTC HD7, HTC HD2, HTC Desire, HTC Inspire 4G, HTC Merge, HTC Wildfire, Nexus One (GSM), Nexus One (CDMA), HTC Droid Incredible, T-Mobile myTouch 3G Slide, HTC Surround, HTC Aria, T-Mobile G2 and T-Mobile myTouch 4G phone models
This charges my phone very well, almost as fast as my home charger. Just use this piece with your usb cable and all is well.