Battery is Dead. need help

after month ago
if remove adapter of macbookpro. mbp automatic shutoff
if empty battery. though mbp says 97% charged. , adaptor color green.

mbp useless. whether ac adaptor plug on or not. mbp power on 2-8 second shut off.

question if can remove battery , directly use ac power adaptor? im scared because when open mbp. theres writing says "do not remove battery"

please
no funds battery replacement

 

you can try, sounds problem isn't battery @ if can't use when on adapter.

 

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