Chosen Solution
I replaced my factory battery with a new iFixit battery. The new battery had 70% when installed, I allowed it to die and now I put it to charge and it stays at 2%. If I unplug the computer it turns off and has to reboot.
Sounds like your battery is not charging. I would suspect the mag-safe board right off the bat. What was happening with your old battery? Please download and install and run Coconut Battery then post your results so we can get a better idea of what is going on. http://www.coconut-flavour.com/coconutba…
