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DPChallenge Forums >> Hardware and Software >> 20D and BG-E2
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05/21/2005 03:15:50 PM · #1
Does anyone else have a intermittent problem where fully charged batteries in battery grip will suddenly show on the camera as empty and cut out , necessitating the removal and replacing of the batteries in order to return to the "full battery" symbol ?
05/21/2005 04:00:24 PM · #2
I've had problems with the battery symbol showing LOW even with fully charged batteries, but it doesn't shut down, only displays the LOW battery symbol.

it really bugs me when going on an important shoot, not knowing if the batteries are charged or not..
05/21/2005 04:18:01 PM · #3
There are some problems with defective battery-grips for the 20D.
There was a thread recently where this was mentioned, but I don't remember the details, except that exactly this occured, i.e. batteries suddenly on low and then off. Something as well about the BG not being "tight" enough.
Do a google on this and see if that helps
05/21/2005 04:50:32 PM · #4
There is an article about this problem in this months British Journal Of Photography and Canon UK responded : We are aware that in some instances the BG-E2 battery grip and the EOS 20D DSLR, when used together , may cause a low battery warning to be displayed immediatley when used with a fully charged battery pack or a fresh set of AA batteries, and that the number of shots taken with the battery grip can be reduced. There have been a few products returned to us displaying these symptoms.
They apologise to any customer with this problem and will repair any such units free of charge.

Repair takes two weeks and you have to send both camera and grip !
05/21/2005 05:48:50 PM · #5
A number of BG-E2 grips were defective in one of two ways (or both): they became loose even during normal usage (go shoot vertically for a while with a heavy lens, then check the tightness of the dial), or they had a problem with the contacts even when tight. Free repairs will be offered at the end of May. Details at the bottom of the link:

//consumer.usa.canon.com/ir/controller?act=PgComSmModDisplayAct&keycode=2112&fcategoryid=215&modelid=10464

Also note that if you're using the AA-converter for the BG-E2, the total power it puts out is often insufficient to handle continuous shooting. That's not going to be corrected, though. If you want to shoot continuous, pick up BP-511 compatible batteries. I'm currently using Power-2000 replacements which work very well, but I've heard the Sterlinktek batteries are quite spectacular, both for power output and price. I've never used those, so I couldn't say. They're so cheap, though, that you could buy a couple fairly risk-free.
05/21/2005 07:05:27 PM · #6
I had this problem yesterday...

I had one battery in the grip (Right hand slot, as looking at the back of the camera) and it showed flat long before I thought it should. I swapped my spare single battery in, and same problem, 10-15 shots and it was flat.

I put both batteries in, and got another 300 photos...

It seems that this problem is mainly with the right hand slot in the grip with my copy.. Although that may be the general consensus. Untill the fix is offered I'll be shooting with two batteries!

Cheers, Me.
05/21/2005 07:12:06 PM · #7
Originally posted by KiwiChris:

I had one battery in the grip (Right hand slot, as looking at the back of the camera) and it showed flat long before I thought it should. I swapped my spare single battery in, and same problem, 10-15 shots and it was flat.

I put both batteries in, and got another 300 photos...

It seems that this problem is mainly with the right hand slot in the grip with my copy.. Although that may be the general consensus. Untill the fix is offered I'll be shooting with two batteries!

Cheers, Me.

Sounds like the right hand side isn't making proper contact at all. You should be getting over 700 shots with two batteries, not 300.

Edit: Actually, now that I think about it, you should be getting over 700 shots with a *single* battery. With two batteries, you should last an insane amount of time. I took about 300 shots one weekend on two batteries and the bar never budged from full.


Message edited by author 2005-05-21 19:14:19.
05/21/2005 08:16:56 PM · #8
I've had 1373 shots on 2 full batteries in the BG-E2 grip on the 20D, all outdoor in sunlight.. not that it should matter where the pictures were taken.

05/21/2005 09:46:43 PM · #9
Originally posted by DanSig:

I've had 1373 shots on 2 full batteries in the BG-E2 grip on the 20D, all outdoor in sunlight.. not that it should matter where the pictures were taken.

That sounds about right.
05/22/2005 05:46:05 AM · #10
Originally posted by Zed Pobre:

Originally posted by KiwiChris:


I put both batteries in, and got another 300 photos...

It seems that this problem is mainly with the right hand slot in the grip with my copy.. Although that may be the general consensus. Untill the fix is offered I'll be shooting with two batteries!

Cheers, Me.

Sounds like the right hand side isn't making proper contact at all. You should be getting over 700 shots with two batteries, not 300.

Edit: Actually, now that I think about it, you should be getting over 700 shots with a *single* battery. With two batteries, you should last an insane amount of time. I took about 300 shots one weekend on two batteries and the bar never budged from full.


Hi-ho,

I imagine I would get a few more than 300, it's just that the rugby game finished, and I had no good reason to keep on standing in the drizzle taking photos!

Although I don't actually get that many shots when doing sports, as I'm using Servo focus on a 70-200 F/2.8L which seems to be a bit hard on the battery, and although I might not take photos continuously I wind up watching minute long segments of the game through the view finder, regularly pushing the shutter button half down to keep things in focus, then I'll do 3-5 shots in a burst when the action looks paper-worthy.

If I'm shooting 'normal' photos I do get 300+ shots on a single battery, even in the right slot in the BG-E2. I suspect it's problem (as per the canon site) is made worse by the 'continuous' draw of using the camera like I do.. Either way I'll just stick to using two batteries in the camera when using it like that, and pick up another couple of spares just in case!

BTW. You do get more life out of a single battery if it's in the camera, rather than in the grip. There is a little bit of 'loss' in the electronics that switches batteries which means on the two batteries you get more like 1.7x the life of a single battery. That dosn't worry me though, as I got the grip for the portrait release rather than the longer life..

Cheers, Chris H.
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