Laptop Battery Estimating... not charging

Hello everyone, i should say some words a tried and looked around topic as well arch wiki.
But my question is and what i needed really is while my laptop is in AC supply power plugged in i want to charge my battery for 75%min i dont need it for 100%because i always using power supply but i installed Manjaro today and get out of rid Windows but battery stays where is it, it green nice with 54% now but if unplugged power supply just going down mean while when i was only booted by usb stick (means non installed system, power supply works for me) but now when i am on installed system my battery stays on 54% and saying estimating…

what should i do to make battery charge ?
thanks for help