acpi - Shows battery status and other ACPI information from the /proc or the /sys filesystem

To view battery info $ acpi

To view the ac adapter information $ acpi -a

To view cooling device information $ acpi -c

To view all information $ acpi -V

To display the non-operational devices $ acpi -s

To show additional details if available $ acpi -i

To view help options $ acpi -h

regards, T.Dhanasekar