While starting up my Macbook Pro it runs for like a minute. Then it turns off. I know i need to replace my battery...is this my problem? Its connected to the wall so does it still need battery to run?

My Macbook Pro wont stay on. (a min ar so)
I know my battery has to be changed...it's not storing any energy  no more...its done.
But my Macbook is connected to the wall....so it gets its energy i would say?
Is it possible the Book needs a good battery also when its connected?
You think my problem will be solved by buying a new battery?
HELP I NEED THIS FOR WORK!!!
thanx Coen

The MBP should still operate when you are using a power adapter and plugged into a properly functioning wall outlet.  From your post it sounds like you simply need a new battery so the you can operate the MBP without a power adapter.
If ot does not operate with the power adapter, you have other electrical issues.
Ciao.

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