Samsung s6 edge suddenly charging slowly

My samsung s6 edge suddenly not having a fast cbarging capability and will take 5-6 hrs to be fully charged without use because if you use it the batt percentage goes down instead of going up

I change almost everything adaptor whatsoever

Nothing works

And heres the deal

I tried to put alcohol on my broken chord and put it inside my s6 edge to try to fix the issue or clean it with it then it works its not fast charge atleast i got 1 hr 30 something to full charge but heres the deal it always came ack after a bit of time and i need to repeat and repeat that again for me to be able to charge faster need help thanks