New battery not charging well
My new battery from IFIXIT takes 12 or more hours to charge. Any ideas?
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Well the battery looks OK from what I see in Coconut. So I think you need to look at the MagSafe charger cable as well as the DC-In Board having connection issues. Give this Apple T/N a review Apple Portables: Troubleshooting MagSafe adapters
If the MagSafe contacts within your system are discolored (black) that tells be your MagSafe charger is a fake! Here’s the difference between a real and fake charger Lacking safety features, cheap MacBook chargers create big sparks Here these sparks are between the contacts and over time build up carbon. Here’s the needed part you’ll need MacBook Pro Unibody 13" and 15" MagSafe DC-In Board and here’s the guide to but it in MacBook Pro 15" Unibody Mid 2009 MagSafe DC-In Board Replacement
Here’s a good YouTube on the differences Compared: Fake vs Genuine Apple Magsafe Chargers its almost impossible to tell! Best to get a real one directly from Apple.
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Can you install this gem of an app CoconutBattery then take a snapshot of the apps main window once with your MagSafe plugged in and a second disconnected make sure the battery needs to be charged and wait long enough for the system to note the charger is no longer connected. Post both here for us to see 在已经存在的问题里加入图片
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