It could be a weak charger or charging port. Before you do anything, you show check the maximum battery compacity.
Hold the Option key and click the Apple () menu. Choose System Information.
- Under the Hardware section of the System Information window, select Power. The current cycle count is listed under the BatteryInformation section.
If it says your max battery compacity is under 89%, looks like it’s time for a new battery. IF it’s above that you should be good. It’s gotta be something more internal with your Mac or it’s a bad charger.
MacBook Pro 15" Unibody (Mid 2009-Mid 2010) Battery There could be other batteries on amazon and eBay that could be cheaper but this is for the highest quality. Please hit accept answer. It would mean a lot and best of luck!!!!
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