How to connect the battery to the mini pc so that the charge indicator in the tray is displayed?

Question

Electronics

How to connect an assembly of lithium-ion batteries (naturally with a balancing board) to a mini PC (a board of approximately ATX format) in the simplest / native way, so that the battery indicator is displayed in the tray, the percentage of charge can not be displayed, minimum work from the network / battery . What are the solutions? I can solder, I'm not afraid to program. And it is desirable that it works under Linux (Linux Mint).
Mini PC: https://ru.aliexpress.com/item/Windows-Mini-pc-i7-...

Answer 1

https://habr.com/post/233391/ here the dude came to the decision that it is easier to take what is on sale,
but google the USB HID power device class and make your bike.

Answer 2

https://habr.com/post/400729/ ??