Charger light goes off, battery not charging, but MBA is powered. Advice?

This has been happening more and more frequently lately. I'll plug my 2010 11" MBA in, and after a minute or two, the light on the charger will turn off. This doesn't happen every time, but I've noticed it happen 4 times this past week. Disconnecting and reconnecting the magsafe resolves the issue, at least until the next time.

Yesterday, I ran the battery down until it was almost dead. I plugged it in for a couple hours, and when I came back, the battery symbol was "charging" but the charger's light was off. When I disconnected the charger, the battery was at the same place it was when I had left it a couple hours before. So basically the battery didn't charge, but the laptop was still being powered that whole time.

Any suggestions? I'm out of warranty, and it doesn't happen that often, so I'm not sure I could reproduce the issue in front of a genius.

GGJstudios said:

What was the charge level when you plugged it in? If it's over 93%, it's normal that it may not charge any more, until it drops below 93%.

See the link for troubleshooting MagSafe adapters at the bottom of the CHARGING section of the following link. The link below should answer most, if not all, of your battery/charging questions. If you haven't already done so, I highly recommend you take the time to read it.

Apple Notebook Battery FAQ​

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It was below 10% when I plugged it in.

supernet33 said:

I had the SAME issue with my MBA 2010. I took it into apple 3 times. They replaced the cable(inside MBA going to the power socket) and the Moho to fix the issue.

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Wow, so they'll have to open it all up. I doubt that they would take care of that for free for me since its been out of warranty for a year, but I will still need to get it fixed. What did you say when you went in? Just what I explained in my original post, or was there more to it? Also, I don't know how to reproduce the issue at will for them. It only happens intermittently.

And what is a Moho?