when my battery reaches at 18% it will automatically shuts down without warning what i do..?

[shibasankar1997]

In the 18% of the battery it will automatically shuts down without warning messsage...and after pluged in it will cgarged upto 85-90% only.....any solution for this problem

 

[webworkings]

Sounds like you may be in need of a new battery soon. They will often do just that when they are going bad.