The Battery Does Not Charge - Sony Xperia SGPT12 Help Manual

The battery does not charge.

Make sure you have securely connected the tablet device with the USB cable for Multi Port, the USB cable for
Multi Port with the AC adapter, the AC adapter with an AC power cord (mains lead), and an AC power cord
(mains lead) with an AC outlet (wall socket).
* You do not need an AC power cord (mains lead) in some countries.
If the temperature of the tablet device rises in situations such as while using apps (Browser, Email, Camera, or
playing videos/music), the battery may not be charged. If the temperature rises, shut down the running apps.
The battery will begin to charge when the tablet device returns to normal temperature.
Your tablet device does not support charging the battery via USB connection to a computer or a charger.