Unfortunately, you cannot charge your Motorola Xoom via the USB port. The USB port is designed for data transfer between your Xoom and a computer. The Motorola Xoom was the first Android tablet to be introduced and did not include many of the features that we have come to expect in all tablets. In fact, by not supporting USB charging, the Motorola Xoom lacked a feature that was supported by the Xoom's main competitor, the iPad.

The iPad can be charged via its USB/charging port, like many Android phones, but that simply wasn’t a supported feature on the Xoom. It’s disappointing to learn that you’ll need to carry more than one cable and can’t use popular battery backup systems with your Xoom, but the Xoom isn’t the first piece of portable electronics that can’t be charged via USB. You can’t charge your netbook that way, either. That said, it didn’t make sense to not include a port for both charging and file transfers.

To charge your Xoom, you must use the included charging cable or purchase a cradle accessory designed to work with Xoom. Do not connect a charger that is not specifically designed to charge a Xoom. If you find that your Xoom is not charging as expected, check that the charging cable is firmly inserted into the device and then try restarting your Xoom.

The Motorola Xoom was the first officially supported Android tablet, and it was built like a brick – big and heavy. It ran Android 3.1 Honeycomb, which brought a lot of innovation to Android. It supported tablets (of course) and also introduced the first video app to search for movies in Google's Android Market (now known as Google Play Movies). The Xoom also introduced video editing capabilities to the Android tablet with a simple video editing tool. Android Honeycomb also supported joysticks and other dongles, although none of these were released for the Motorola Xoom.