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#!/bin/bash
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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_shut=false
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sleep 20
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while :
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do
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    # 获取电池电量
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    capacity=$(cat /sys/class/power_supply/BAT0/capacity)
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    # 获取电池状态
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    status=$(cat /sys/class/power_supply/BAT0/status)
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    echo "Battery Status: $status"
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    echo "Battery Capacity: $capacity%"
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    if [[ $capacity -lt 40 ]]; then
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        if [[ $status != "Full" && $status != "Charging" ]]; then
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            echo "Battery capacity is below 40%. Going down!"
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            if [ "$_shut" == "false" ]; then
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                echo "Going Down!!!!"
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                shutdown -h +10
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            fi
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            _shut=true
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        else
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            if $_shut; then
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                echo "Battery is Charging. Canceling shutdown!"
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                shutdown -c
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                _shut=false
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            fi
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        fi
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    else
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        if $_shut; then
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            echo "Battery capacity is above 40%. Canceling shutdown!"
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            shutdown -c
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            _shut=false
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        fi
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    fi
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    sleep 20
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done

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apt install tlp

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nano /etc/tlp.conf
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#找到下面两行进行取消注释和修改
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START_CHARGE_THRESH_BAT0=50
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STOP_CHARGE_THRESH_BAT0=80

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systemctl restart tlp

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tlb-stat -b