Show Information of Battery Status

battery-check.sh

for bat in /sys/class/power_supply/BAT*; do
    echo "Battery: $(basename "$bat")"
    echo "Capacity: $(cat "$bat/capacity")%"
    echo "Status: $(cat "$bat/status" 2>/dev/null)"
    
    design_capacity=$(cat "$bat/energy_full_design" 2>/dev/null || cat "$bat/charge_full_design" 2>/dev/null)
    current_capacity=$(cat "$bat/energy_full" 2>/dev/null || cat "$bat/charge_full" 2>/dev/null)

    if [[ -n "$design_capacity" && -n "$current_capacity" && "$design_capacity" -gt 0 ]]; then
        health=$(( current_capacity * 100 / design_capacity ))
        echo "Design capacity: ${design_capacity} µWh"
        echo "Current capacity: ${current_capacity} µWh"
        echo "Battery health: ${health}%"
    else
        echo "Battery health: Unable to determine"
    fi
    
    echo "-------------------------------------"
done