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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 13 Sep 2014 (Saturday) 11:08
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Dead battery overnight

 
monkey44
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Sep 13, 2014 11:08 |  #1

Got a 7D ... charge a battery, install, leave it off overnight, dead battery in the AM.

I tried two batteries, charged both, same thing with both. I also charged and left the batteries overnight in another camera. Both full charge in the AM, so not the battery.

Any thoughts? Thanks




  
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llareggub
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Sep 13, 2014 11:23 |  #2

Do you have magic lantern installed?


My Website :D (external link)

  
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GeoKras1989
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Sep 13, 2014 11:45 |  #3
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Any chance you've got a Tamron 24-70 VC attached?


WARNING: I often dispense advice in fields I know little about!

  
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rrblint
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Sep 13, 2014 11:58 as a reply to  @ GeoKras1989's post |  #4

Yeah, what lens is on it?


Mark

  
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pwm2
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Sep 13, 2014 12:17 |  #5

Or do you have a battery grip on? In that case - what brand/model?


5DMk2 + BG-E6 | 40D + BG-E2N | 350D + BG-E3 + RC-1 | Elan 7E | Minolta Dimage 7U | (Gear thread)
10-22 | 16-35/2.8 L II | 20-35 | 24-105 L IS | 28-135 IS | 40/2.8 | 50/1.8 II | 70-200/2.8 L IS | 100/2.8 L IS | 100-400 L IS | Sigma 18-200DC
Speedlite 420EZ | Speedlite 580EX | EF 1.4x II | EF 2x II

  
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monkey44
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Sep 13, 2014 12:50 |  #6

No battery grip ...

Lens on it at the moment, Canon 100/400

No Magic Lantern




  
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Petie53
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Sep 13, 2014 12:57 |  #7

Was this a refurb purchase or brand new?


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monkey44
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Sep 13, 2014 13:51 |  #8

Petie53 wrote in post #17152135 (external link)
Was this a refurb purchase or brand new?

Refurb, still under warranty (six months) ... am trying to save my self the hassle of shipping it back to Canon.

But will probably do that Monday ...

Anyone know if/why leaving a lens on would matter - Camera should be off, if it's off. I turn the 7D switch off when finished on the shoots ... but not the lens.




  
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rrblint
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Sep 13, 2014 17:20 |  #9

monkey44 wrote in post #17152214 (external link)
...Camera should be off, if it's off...

Nope, it doesn't work that way. The Off Switch just puts the camera into a slightly deeper sleep than it is when it is in Sleep Mode. The only way to turn the camera off is to remove all batteries. That Tamron lens mentioned above had some sort of a firmware problem so that it continued to draw power even with the camera set to Off.


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monkey44
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Sep 13, 2014 18:09 |  #10

rrblint wrote in post #17152460 (external link)
Nope, it doesn't work that way. The Off Switch just puts the camera into a slightly deeper sleep than it is when it is in Sleep Mode. The only way to turn the camera off is to remove all batteries. That Tamron lens mentioned above had some sort of a firmware problem so that it continued to draw power even with the camera set to Off.

But a fully charged battery should not discharge completely overnight if "off" ... that was my point. I get it, a few weeks or so, but not overnight. None of my other cameras discharge overnight.

I'm thinking now it's a faulty camera.




  
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speedync
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Sep 13, 2014 18:21 |  #11

My 550D used to do the same thing. Just leave the memory card door slightly unlatched. Easier then the hassle of sending camera back for warranty work. Well, that's how I saw it anyway :)




  
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monkey44
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Sep 13, 2014 18:27 |  #12

speedync wrote in post #17152541 (external link)
My 550D used to do the same thing. Just leave the memory card door slightly unlatched. Easier then the hassle of sending camera back for warranty work. Well, that's how I saw it anyway :)

Well, maybe. But I'd rather fix it under warranty than find out later what ever's doing it is also damaging some other component too.

Brand new, well refurb, and it should work like new ...

Thanks for the info folks, decided to send it back while warranty applies.




  
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pwm2
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Sep 13, 2014 18:39 |  #13

rrblint wrote in post #17152460 (external link)
Nope, it doesn't work that way. The Off Switch just puts the camera into a slightly deeper sleep than it is when it is in Sleep Mode. The only way to turn the camera off is to remove all batteries. That Tamron lens mentioned above had some sort of a firmware problem so that it continued to draw power even with the camera set to Off.

The off switch basically just deactivates all controls, making it safe to put the camera in the bag without accidentally getting thousands of actuations.

When not using WIFI or GPS, the camera can reach similar low power-save levels without use of the Off switch. The processor doesn't need to scan the state of the shutter button to be able to figure out when to wake up.


5DMk2 + BG-E6 | 40D + BG-E2N | 350D + BG-E3 + RC-1 | Elan 7E | Minolta Dimage 7U | (Gear thread)
10-22 | 16-35/2.8 L II | 20-35 | 24-105 L IS | 28-135 IS | 40/2.8 | 50/1.8 II | 70-200/2.8 L IS | 100/2.8 L IS | 100-400 L IS | Sigma 18-200DC
Speedlite 420EZ | Speedlite 580EX | EF 1.4x II | EF 2x II

  
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pwm2
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Sep 13, 2014 18:41 |  #14

monkey44 wrote in post #17152524 (external link)
But a fully charged battery should not discharge completely overnight if "off" ... that was my point. I get it, a few weeks or so, but not overnight. None of my other cameras discharge overnight.

I'm thinking now it's a faulty camera.

No it shouldn't. Something seems to be broken if a body that hasn't a powered GPS module drains the battery in idle mode.


5DMk2 + BG-E6 | 40D + BG-E2N | 350D + BG-E3 + RC-1 | Elan 7E | Minolta Dimage 7U | (Gear thread)
10-22 | 16-35/2.8 L II | 20-35 | 24-105 L IS | 28-135 IS | 40/2.8 | 50/1.8 II | 70-200/2.8 L IS | 100/2.8 L IS | 100-400 L IS | Sigma 18-200DC
Speedlite 420EZ | Speedlite 580EX | EF 1.4x II | EF 2x II

  
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monkey44
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Sep 13, 2014 18:54 |  #15

pwm2 wrote in post #17152562 (external link)
No it shouldn't. Something seems to be broken if a body that hasn't a powered GPS module drains the battery in idle mode.

Yes, I agree, that's what I'm thinking. I was just asking in case someone had a "stupid me" comment that wakes me up. Happens sometimes, we have that stupid moment and then the light blinks on and we admit it. Sure, we've all had at least ONE. :) :)




  
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Dead battery overnight
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