Battery is not charging. I need help for my laptop I haved replaced the battery pack and still is

Question

I need help for my laptop I haved replaced the battery pack and still is not charging what seems to be the problem? and also I have problem with the CMOS when I save a settings like the wireless to be on, after you removed the Power cable and connect the PC again it will reset to disable. I have change the internal battery still the same problem.

kindly help me regarding this matter.