W240BAT-6 laptop battery stopped working as it is no longer holding a charge above 39%, ask for help

[127Angela]

CLEVO W240BAT-6 laptop battery stopped working as it is no longer holding a charge above 3
9%, I bought it from last July, can it repair???

 

[popatim]

Warranty it. It has a 1 yr, right??

 

[127Angela]

yes, it is. But I want to fix it by myself if possible.