我的顶部栏中总是有一个未充电图标。这是笔记本电脑插入电源时 upower -d 的输出：
Device: /org/freedesktop/UPower/devices/line_power_AC0
native-path: AC0
power supply: yes
updated: mar 16 nov 2021 20:44:16 (90 seconds ago)
has history: no
has statistics: no
line-power
warning-level: none
online: yes
icon-name: 'ac-adapter-symbolic'
Device: /org/freedesktop/UPower/devices/battery_BAT0
native-path: BAT0
vendor: ASUSTeK
model: ASUS Battery
power supply: yes
updated: mar 16 nov 2021 20:44:16 (90 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: pending-charge
warning-level: none
energy: 57,252 Wh
energy-empty: 0 Wh
energy-full: 58,741 Wh
energy-full-design: 66 Wh
energy-rate: 0 W
voltage: 15,677 V
percentage: 97%
capacity: 89,0015%
technology: lithium-ion
icon-name: 'battery-full-charging-symbolic'
History (charge):
1637091856 0,000 unknown
History (rate):
1637091856 0,000 unknown
Device: /org/freedesktop/UPower/devices/DisplayDevice
power supply: yes
updated: mar 16 nov 2021 20:44:16 (90 seconds ago)
has history: no
has statistics: no
battery
present: yes
state: pending-charge
warning-level: none
energy: 57,252 Wh
energy-full: 58,741 Wh
energy-rate: 0 W
percentage: 97%
icon-name: 'battery-full-charging-symbolic'
Daemon:
daemon-version: 0.99.11
on-battery: no
lid-is-closed: no
lid-is-present: yes
critical-action: HybridSleep
与此同时，笔记本电脑似乎没有放电，电量始终保持在 97%
答案1
等待充电状态表示交流电源已接通但电池未充电。发生这种情况的原因可能是电池电量高于某个阈值，以避免充电周期过短并延长电池寿命，或者是因为 PSU 功率不足以给电池充电。
答案2
如果你来这里是因为担心“我的充电器不工作了！”并且你的电池电量“低”，那么请放心，只需等待几分钟，它就会显示“正在充电”。让我们把技术讨论抛在脑后……:-D