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Granite
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Canon 20D Battery Grip Issues

Mon Mar 15, 2010 9:15 am

Hi all

Having some issues with my 20D battery grip.

Showing fully charged batteries as very low then camera cuts off. Inserting a single battery into camera itself works perfectly. Quick search on the internet shows it's a known issue. Grips were replaced by Canon some years ago but probably not any longer. Think I got my one back in 2004. Something to do with loose/slack connection? Anyone have the same problem?

Does anyone know if there is a temporary fix for this? Read something about glueing a rubber strip to the grip. Also are the 'non branded' ones that are available online worth getting hold of. Approx £30.00 which is very cheap compared to the branded one.

Thanks in advance.

Gary
 
aviopic
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RE: Canon 20D Battery Grip Issues

Mon Mar 15, 2010 11:20 am

Quoting granite (Thread starter):
Also are the 'non branded' ones that are available online worth getting hold of. Approx £30.00 which is very cheap compared to the branded one.

My son has a non branded one, it's ok but doesn't have the vertical controls.
 
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RE: Canon 20D Battery Grip Issues

Mon Mar 15, 2010 12:55 pm

Hi Willem

Thanks for the reply.

It's not a major issue I know. I just prefer using the camera with it as I find it easier to hold. Might go for one of the unbranded ones.

I've not been to an airport since September last year so I'm in no rush to get one!

Regards

Gary
 
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dvincent
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RE: Canon 20D Battery Grip Issues

Mon Mar 15, 2010 2:51 pm

Gary,

Call Canon about it. They're usually pretty good about dealing with their recall items, even a few years out.

[Edited 2010-03-15 07:58:50]
 
spencer
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RE: Canon 20D Battery Grip Issues

Mon Mar 15, 2010 5:59 pm

Sounds obvious but do you have it screwed all the way up Gary?
Spence.
 
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RE: Canon 20D Battery Grip Issues

Mon Mar 15, 2010 7:44 pm

Dan

Thanks, going to give that a go.

Spencer

Yes, I make sure it is screwed all the way. I've read quite a bit on this and it seems to be a common problem with the original older grips. I know the batteries are fully charged so it's definately some sort of connection issue. I'll maybe try the old skool trick of a bit of turkey foil up the connection end  

Cheers

Gary
 
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dvincent
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RE: Canon 20D Battery Grip Issues

Mon Mar 15, 2010 7:48 pm

What happens with these grips is that the pins on the grip are springloaded, over time these pins can wear out and lose their springyness. The camera's end is just flat contacts, hence why replacing the grip fixes it. Check the pins in the dataport for any kind of grime and for spring return rate. Odds are there's probably a continuity issue.
 
Chukcha
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RE: Canon 20D Battery Grip Issues

Tue Mar 16, 2010 11:38 am

I use a non-branded one on my 40D; paid a fraction of the cost of the Canon one. The only difference is that it doesn't have Canon written on it. I've had no problems wit it so far.

You should be careful, as there are a few non-branded ones, and some are not as good as others. I did some research beforehand. Mine is Phottix BP-40D Battery Grip, I bought in on eBay. Apparently it suits 20D as well. Here is some info:

http://www.fredmiranda.com/forum/topic/733582
http://www.flickr.com/photos/abqtrucker/2860823882/

Cheers,
Andrei
 
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Granite
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RE: Canon 20D Battery Grip Issues

Tue Mar 16, 2010 1:09 pm

Hi all

Canon responded with a 'send to authorised repair agent along with proof of purchase and warranty documents' Looks like they will not replace. Ah well, no harm in trying. It is almost 6 years old after all.

Andrei, thanks for those links. Will investigate further.

Regards

Gary
 
dendrobatid
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RE: Canon 20D Battery Grip Issues

Tue Mar 16, 2010 1:33 pm

Gary
In view of what Dan says above, if you are not going to send it back, I would try a tiny amount of WD40 on the spring-loaded contacts - it would not take much at all for them to become sticky.
If it was mine, I would do that, in fact I did years ago with a similar problem an a Canon AE-1 powerwinder. It needed doing every now and again but still works now.

Mick Bajcar
 
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Granite
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RE: Canon 20D Battery Grip Issues

Tue Mar 16, 2010 6:41 pm

Hi Mick

Thanks, will give that a go.

Cheers

Gary
 
aviopic
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RE: Canon 20D Battery Grip Issues

Wed Mar 17, 2010 11:37 am

Quoting dendrobatid (Reply 9):
I would try a tiny amount of WD40

I would be carefull with WD40, it eats rubber.
An oil based contact cleaner usually does miracles.
http://www.itwcp.de/contentcenter/da...TDS_CRAMOLIN_101_Contaclean_GB.pdf

Gary if you have a trip to NL planned I've one grip just eating dust as I don't have a body for it anymore.
I might be in the UK around May.
It won't take much more than a beer to make it shift from owner  
 
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Granite
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RE: Canon 20D Battery Grip Issues

Wed Mar 17, 2010 1:26 pm

Willem

Yes, took the grip into work today and was told NOT to use WD40.
Got some other electrical cleaning solvent that I can use. Let's hope this works. Will try this evening.

Thanks for the offer. I'd like to get to AMS again sometime. Never been at the ruways, only the roof terrace. Not flown since 2007 and to be honest I have developed a little fear of flying   Don't know where that came from.

Cheers

Gary
 
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dvincent
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RE: Canon 20D Battery Grip Issues

Wed Mar 17, 2010 2:29 pm

Yes, dear god don't use WD-40. Standard contact cleaner should take care of it.
 
andrewuber
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RE: Canon 20D Battery Grip Issues

Wed Mar 17, 2010 6:13 pm

Gary -

I had the same problem with my 20D grip too. Random shut-offs and it would insist that the batteries were nearly dead even though they were fully charged. To make matters worse - the gears that connect the release wheel to the screw that holds the grip to the camera base broke. I ended up spending 30 minutes at a beach near SFO breaking the grip off of my camera. Pliers, vice grips and leverage finally prevailed, and piece by piece the grip came off and went into the trash.

Battery grips are nice, mine was just a fluke I think. When I upgrade my equipment someday, I plan to buy another battery grip. And for the record - mine was original Canon equipment.

Drew   
 
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Granite
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RE: Canon 20D Battery Grip Issues

Wed Mar 17, 2010 8:30 pm

Hi all

Gave all the contacts a good clean this evening and, touch wood, everything seems to be ok.

Will know for sure at the weekend.

Thanks for all the advice.

Cheers

Gary

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