7D cannot communicate with battery

Started Sep 30, 2012 | Discussions thread
Lajos Hajdu Senior Member • Posts: 1,590
Re: 7D cannot communicate with battery

I have had the same error message too, with one Canon battery and one aftermarket. As said above, the camera works fine, but the remaining power indicator does not. More puzzlingly, the problem seems to appear and go away rather randomly. Seems like a contact issue to me.

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