Your tablet supports charging only through the dedicated charging connector, not through the USB connector.As a USB host your tablet can provide power for USB accessories connected to it, you can for example charge your phone from Lumia 2520.
- I have forgotten my Microsoft account password
- What is a Microsoft Account?
- Why does Storyteller on my Lumia tablet pair automatically with my phone's Lumia Share app?
- Can I show images from Facebook or OneDrive in Storyteller on the LumiaTablet?
- How can I share my stories using Storyteller on my Lumia Tablet?