Get Battery Status in CLI

From Suparna at https://www.linuxjournal.com/content/how-check-battery-status-using-linux-command-line

Use cat and find

The “cat” and “find” commands also help find details about your battery and power source.

Syntax

For the battery capacity, the syntax would be:

cat /sys/class/power_supply/BAT0/capacity

For more detailed battery information use the find command.

Syntax

And the syntax is,

find /sys/class/power_supply/BAT0/ -type f | xargs -tn1 cat