How to connect an Android tablet to a Linux laptop so that it charges?

Question

linux

Red cross on battery icon
Galaxy Tab 7.0 tablet, OS on Lubuntu 14.10 laptop

Answer 1

Oh, these smart devices already ...
One of the possible reasons may be that, starting with version 4.1 on android tablets, for some reason it recognizes that it is connected to a computer and turns off charging.
All the solutions I've seen come down to tricking the device.
The easiest thing to insert is not completely www.youtube.com/watch?v=d8_cyM2oHEw

Answer 2

1. Take the USB A wire standard to USB A micro (both male)
2. Plug one end into the laptop
3. Plug the other end into the tablet
4. Charge.
Above is the exact instruction on how to charge a tablet from a GNU / Linux laptop (should work for a Windows laptop, but I can’t check, I only have a dashing laptop at hand)

Answer 3

The tablet will charge if the USB is powered (0.5A for USB2 or 1A for USB3).
This means that the laptop is not supplying power to the USB port.

Answer 4

And I found here :

The specific output is not very convenient, which will not allow you to use a regular USB cable. The tablet does not charge from the USB port, from the socket this process takes about 3.5 hours.