Install battery-stats by entering the following commands in the terminal:
sudo apt update sudo apt install battery-stats
collects statistics about charge of laptop batteries
This package provides battery-stats-collector, a daemon which will periodically collect statistics about the charge of the batteries present. . It also proves a binary called battery-graph, which can be used to generate qplot graphs about the battery charge/discharge patterns over time . Note: This requires APM or ACPI to be enabled and working in your kernel.