When I plug off the power cable while the pc is running, it operates till battery is not empty (Normal condition). However, when I reboot the system or shut-down and later back on; battery percentage drops to 0% no matter what battery percentage was before shutdown/reboot.
lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 05)00:01.0 PCI bridge: Intel Corporation 6th-10th Gen Core Processor PCIe Controller (x16) (rev 05)00:02.0 VGA compatible controller: Intel Corporation HD Graphics 630 (rev 04)00:14.0 USB controller: Intel Corporation 100 Series/C230 Series Chipset Family USB 3.0 xHCI Controller (rev 31)00:14.2 Signal processing controller: Intel Corporation 100 Series/C230 Series Chipset Family Thermal Subsystem (rev 31)00:16.0 Communication controller: Intel Corporation 100 Series/C230 Series Chipset Family MEI Controller #1 (rev 31)00:17.0 SATA controller: Intel Corporation HM170/QM170 Chipset SATA Controller [AHCI Mode] (rev 31)00:1c.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #2 (rev f1)00:1c.2 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #3 (rev f1)00:1c.3 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #4 (rev f1)00:1d.0 PCI bridge: Intel Corporation 100 Series/C230 Series Chipset Family PCI Express Root Port #9 (rev f1)00:1f.0 ISA bridge: Intel Corporation HM175 Chipset LPC/eSPI Controller (rev 31)00:1f.2 Memory controller: Intel Corporation 100 Series/C230 Series Chipset Family Power Management Controller (rev 31)00:1f.3 Audio device: Intel Corporation CM238 HD Audio Controller (rev 31)00:1f.4 SMBus: Intel Corporation 100 Series/C230 Series Chipset Family SMBus (rev 31)01:00.0 3D controller: NVIDIA Corporation GP107M [GeForce GTX 1050 Mobile] (rev a1)02:00.0 SD Host controller: O2 Micro, Inc. SD/MMC Card Reader Controller (rev 01)03:00.0 Network controller: Qualcomm Atheros QCA9377 802.11ac Wireless Network Adapter (rev 31)04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 10)05:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM961/PM961/SM963❯ upower -i /org/freedesktop/UPower/devices/battery_BAT0
> native-path: BAT0 vendor: SMP model: > L14M3P24 serial: 72 power supply: yes > updated: Thu 21 Mar 2024 08:08:32 PM +03 (85 seconds ago)> has history: yes has statistics: yes battery> present: yes> rechargeable: yes> state: charging> warning-level: none> energy: 0.74 Wh> energy-empty: 0 Wh> energy-full: 24.42 Wh> energy-full-design: 45 Wh> energy-rate: 25.539 W> voltage: 12.386 V> charge-cycles: N/A> time to full: 55.6 minutes> percentage: 3%> capacity: 54.2667%> technology: lithium-polymer> icon-name: 'battery-caution-charging-symbolic' History (charge):> 1711040912 3.000 charging> 1711040972 0.000 unknown History (rate):> 1711040912 25.539 charging> 1711040972 0.000 unknown- I am running Ubuntu 22.04 on Lenovo Legion Y520 Laptop.