When this happened before on my L5, I suspected a faulty battery, so I swapped it to my spare battery. Yesterday, this happened again.
Below is the battery stats from upower -d
Does it show any signs that the battery is going bad?
Device: /org/freedesktop/UPower/devices/battery_max170xx_battery
native-path: max170xx_battery
power supply: yes
updated: tor 19 jan 2023 17:23:03 (98 seconds ago)
has history: yes
has statistics: yes
battery
present: yes
rechargeable: yes
state: discharging
warning-level: none
energy: 17,2918 Wh
energy-empty: 0 Wh
energy-full: 21,8746 Wh
energy-full-design: 13,8572 Wh
energy-rate: 0,581506 W
voltage: 3,83937 V
time to empty: 29,7 hours
percentage: 79%
temperature: 45,5 degrees C
capacity: 100%
technology: lithium-ion
icon-name: 'battery-full-symbolic'
History (rate):
1674145383 0,582 discharging