This shows you the hardware battery charge percentage, purported to be more accurate than the percentage reported in the menu bar, or what you see when you type pmset -g batt
https://apphousekitchen.com/feature-explanation-hardware-battery-percentage/
| #!/bin/bash | |
| current_capacity=$(ioreg -l | grep -o '"CurrentCapacity" = [0-9]*' | awk '{print $3}') | |
| max_capacity=$(ioreg -l | grep -o '"MaxCapacity" = [0-9]*' | awk '{print $3}') | |
| design_capacity=$(ioreg -l | grep -o '"DesignCapacity" = [0-9]*' | awk '{print $3}') | |
| if [[ -n "$current_capacity" && -n "$max_capacity" && "$max_capacity" -ne 0 && -n "$design_capacity" && "$design_capacity" -ne 0 ]] | |
| then | |
| percentage=$(echo "scale=2; ($current_capacity / $max_capacity) * 100" | bc) | |
| echo "Battery charge: $percentage%" | |
| percentage=$(echo "scale=2; ($max_capacity / $design_capacity) * 100" | bc) | |
| echo "Battery health: $percentage%" | |
| else | |
| echo "Error: Could not extract battery data." | |
| exit 1 | |
| fi |