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Canon EOS Crop Sensor for HD
APS-C sensor cameras including the 80D, 70D, 7D Mk. II, 7D, EOS M and Rebel models for HD video recording.


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Old January 21st, 2010, 04:07 PM   #1
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Brand new 7D and Low Battery message after 2 days on 50 shots

I just got my 7D this Monday, been playing around and taking some pictures (around 50), the battery was around 75% yesterday noon, and sudenly yesterday night I tried to use the camera and got the message of an almost dead battery and the camera refused to turn on.

I removed the battery, then plugged it back again and battery was at 75% and everything was normal again. Any previous experience with this weir behavoir ?, does it means something wrong with the Camera, Battery or something else ?

I am concern that might be something wrong with the camera body ?, suggestions and comments please, thanks
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Old January 21st, 2010, 05:01 PM   #2
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Seeing as you're in MN, were you outside, and how cold was the camera/battery? Brand new batteries usually do need a few cycles before they reach their full-capacity, but the cold doesn't help.
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Old January 21st, 2010, 05:34 PM   #3
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The likelihood that there's something wrong with the camera are slim. Not to say that it can't happen..

Id recommend getting another battery and make sure there's not something out of sorts with your settings that might have kept the camera on. Is this the battery that came with the camera and did you charge it before using it?
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Old January 21st, 2010, 08:32 PM   #4
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Originally Posted by Kin Lau View Post
Seeing as you're in MN, were you outside, and how cold was the camera/battery? Brand new batteries usually do need a few cycles before they reach their full-capacity, but the cold doesn't help.
Camera and battery has been always inside the house at 70F
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Old January 21st, 2010, 08:33 PM   #5
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Yes, it's the original battery that came with the camera
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Old January 21st, 2010, 10:19 PM   #6
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My camera body bricked on me within 7 days. Why it's always important to buy it from a reputable business.
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Old January 22nd, 2010, 06:20 AM   #7
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What do you mean by Bricked ?, what happened ?, thanks
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Old January 22nd, 2010, 07:03 AM   #8
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I have 4 batteries and nothing like this has happened to me.
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Old January 22nd, 2010, 07:52 AM   #9
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I also have 6 Canon batteries cycled over 100 times and have never had this problem.

However from my limited knowledge of batteries, I would cycle the battery once by drawing it down to maybe 20 to 25% remaining charge, let it cool down and then recharge.

My guess is that there is nothing wrong with the camera, battery or connections. There may have been a surface charge on the battery that caused a rapid drop in voltage.
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Old January 22nd, 2010, 12:24 PM   #10
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Originally Posted by Jay Houser View Post
I also have 6 Canon batteries cycled over 100 times and have never had this problem.

However from my limited knowledge of batteries, I would cycle the battery once by drawing it down to maybe 20 to 25% remaining charge, let it cool down and then recharge.

My guess is that there is nothing wrong with the camera, battery or connections. There may have been a surface charge on the battery that caused a rapid drop in voltage.
Thanks a lot, I'll try to that
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Old January 22nd, 2010, 12:52 PM   #11
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I agree with Jay.

"Bricked," his camera was broken therefore it turned into a Brick. Kind of like getting a DUI and turning your car into a paperweight...
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Old January 23rd, 2010, 11:57 AM   #12
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Originally Posted by Bernard Rosenzweig View Post
What do you mean by Bricked ?, what happened ?, thanks
Had nothing to do with the battery; I can only assume it was from a bad card. I had a faulty card that somehow messed up the cameras internal software.

Every time I put in a card it said 'must be formatted' so I tried in the computer, inside the camera and the same error msg came up. Called Canon and said that I'd have to return it.
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Old January 24th, 2010, 05:09 PM   #13
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Summary, after testing multiple batteries, all of them full charged, I kept getting the same problem, so I went to Best Buy and exchange the Camera for a Brand New one, it's an older S/N, I hope the problem will be solved with this one, testing it right now.
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