The magic command is upower, a command that gives you detailed information about the power devices in your laptop/desktop.
Enumerate all the power devices
9% ❯ upower --enumerate /org/freedesktop/UPower/devices/line_power_AC /org/freedesktop/UPower/devices/battery_BAT0 /org/freedesktop/UPower/devices/DisplayDevice
Check the details of a power device (battery in this case)
❯ upower -i /org/freedesktop/UPower/devices/battery_BAT0 native-path: BAT0 vendor: Hewlett-Packard model: Primary serial: 28716 2021/11/27 power supply: yes updated: Tue 16 Aug 2022 09:36:50 AM EEST (50 seconds ago) has history: yes has statistics: yes battery present: yes rechargeable: yes state: charging warning-level: none energy: 5.2896 Wh energy-empty: 0 Wh energy-full: 48.9858 Wh energy-full-design: 48.9858 Wh energy-rate: 23.6094 W voltage: 11.942 V time to full: 1.9 hours percentage: 10% capacity: 100% technology: lithium-ion icon-name: 'battery-caution-charging-symbolic' History (charge): 1660631810 10.000 charging History (rate): 1660631810 23.609 charging