Prevent disable power saving while charging [root] When I plug my phone to solar cell cpu optimisation turns off and the speed of discharge increases severalfold. 

How to prevent cpu always on when phone charging?

Phone: Rooted Samsung Galaxy S III GT-I9300 Android: 4.3

same question:
How do I keep CPU off when charging?
I found out that some cpu optimisation disables when phone connected to devices that suport data transfer (netebook for example (even sleeping), or my solar cell), so i use usb cable that not support data transwer.