Question about laptop... My laptop charging drains so fast.. why?

Question

I think all here are tech guys.. can anyone help me to solve this.. my laptop air vent smells like burnt air.. and my laptop charging drains so fast.. I don't know why it happens.. please help me guys..

Answer 1

how to check if a battery has problem..

Answer 2

that seems to be battery issue, it will cost you same if you get your battery repaired so better replace it..
and it's better contact to service provider or near by store

Answer 3

look usually battery when drains and charges fast, it leads to battery issue
but air vent smells like something burnt may lead to some other issues..
while using laptop keep something below it those are bad absorber of heat.. like using books or thick plastics this may keep your laptop cool