Chosen Solution

My new battery from IFIXIT takes 12 or more hours to charge. Any ideas?

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.