Whys is my Galaxy S4 battery draining fast and not charging?

Apart from lots of problems that I have since last updates of android like lag,freezing,rebboting alone and more and more now I have this new issue since today
Battery before was draining quite fast after a couple of hours of heavy use but now is even more faster,just in 10 minutes can go from 100% to 60 % and is not charging,I have the plug connected to power and even in the screen is appearing the icon charging and says remaining time to full charge 40 minutes I do not see any change in the battery percentage,after 20 minutes still 60%,is like not charging at all or at a very much low rate
What could be happening?The cable I use is the original

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