Check your battery and system temperature in Terminal CLI...

Check your battery and system temperature in Terminal CLI...

First install acpi
open CLI, Terminal, Terminator or Konsole;

$ sudo apt-get install acpi

$ sudo acpi -V

my example;
Battery 0: Charging, 90%, 02:26:34 until charged
Battery 0: design capacity 4400 mAh, last full capacity 2061 mAh = 46%
Adapter 0: on-line
Thermal 0: ok, 40.0 degrees C
Thermal 0: trip point 0 switches to mode critical at temperature 82.0 degrees C
Thermal 1: ok, 45.0 degrees C
Thermal 1: trip point 0 switches to mode critical at temperature 85.0 degrees C
Cooling 0: Processor 0 of 3
Cooling 1: Processor 0 of 3