Answer to: Water spill - battery is not charging but everything else works fineI have the same issue. You can change your battery and try again. You can replace the battery if it is the battery issue.
Answer to: 2013 MacBook air 11" battery and 2012 MacBook Air 11" batterySwap someone's 2012 MacBook Air with the 2013 model and he or she will never know the difference. Cosmetically, it's identical to last year's version: same aluminum unibody construction, same ports, same 1,366x768-pixel 11.6-inch display, same keyboard and clickable trackpad.