ryansphoto 7:00pm, 14 November 2011
I don't know what is going on. I'm a professional photographer so my cameras get heavy use. I have a 5D mark II and a 7D and the Canon batteries are fairly new and the off brands are almost brand new. Until recently they were lasting a long time.

Now its all changed. I am going through batteries like crazy. I went through 6 batteries in one day and I wasn't even shooting that much. I even tried the 6 AAs in my grip and those were all dead by the end of the day.

I think my 7d has the biggest issue. What could this be?

1. Technical issue with the camera. It keeps draining everything?

2. The off brand sucks the life out of the Canon?

3. Both my chargers are malfunctioning and they aren't charging my batteries correctly

4. All my batteries are dead (I doubt thats it. I've used other batteries for years)

5. Any other suggestions?

What lenses are you using?I've read some forum posts about the 85L iirc draining the batteries of certain cameras
Ian H's 7 years ago
Any specific lens?

IS drains battery power faster. If it's one lens it could be this.
ryansphoto 7 years ago
Mostly using my 24-70 and it isn't IS. I originally thought it was because I was shooting more video but it is still doing it and I've just been shooting photos.
JohnVPhotos 7 years ago
Are you using a Canon charger or an off brand? Could be the charger is giving a false fully charged reading.

Does it happen with Canon batteries too?
f8125 7 years ago
Cold weather can do it but sounds odd. Keeping your battery in your camera when not in use reduces the life of the battery so we should be removing them at night really.
ryansphoto 7 years ago
I am using the Canon brand charger. I went though 3 of them shooting 1/2 of a football game. A few weeks ago I was shooting more than a weeks worth of stuff.
BoldPuppy 7 years ago
You first need to normalize to temperature.

If at the same temperature as what you shot at before, you're seeing remarkably lowered performance, you will need to 'train' the batteries. Run them to zero (the fastest way I do that is to turn off the auto shutoff of the camera, set brightness to maximum, and do an endless slide show). Charge them fully. Repeat 3-4 times.
Tongho58 PRO Posted 7 years ago. Edited by Tongho58 (member) 7 years ago
I think it's the problem with the Canon charger. Mine is giving false indication that the battery was fully charged when it was at best partially charged. I had to put the battery back in several times before it would fully charge the battery. You can tell by the amount of time it would take to charge a battery (couple of hours versus minutes).

One way to tell is to trust your camera battery indication, after waiting several minutes. So far that is still telling me the truth.

That still doesn't explain your AA batteries. It's unlikely both your Canon charger and your AA battery charger have similar problems...but these smart chargers can be really dumb. I still am convinced that the chargers are the problem. They are always with me. I always use dumb AA chargers that charge by the hours, not by the amount already in the batteries. I can't control the Canon charger though.

Maybe your battery pack is shorting somewhere but then it's unlikely to have both battery grips (I assume you have different grips for the 5D and 7D).

I can't believe that both cameras would start eating up batteries nearly at the same time. It's your chargers. Try charging them for several hours whether the batteries need them or not and regardless of what your chargers tell you and see if you still have the short usage problem. That's what I'd do.
You can check the battery life on your 7D in the menus. Does it show 100% or close to it when you first put the battery in?
Patrick Mayon PRO 7 years ago
I was thinking the same. One of my battery (the original) shows 80%, the clone 100%. You can find it in a menu : baterry info - third yellow tab.
wbyoungphotos PRO 7 years ago
The GREEN light of the charger may go on when the battery is 75% charged. So give it another hour of charge to be fully charged...

The Li-ion batteries don't have "memories" but they do need a full measure of charges.

Happy shooting!
PSJ Picdump PRO 7 years ago
What grips are you using?
Do you get the same issues without the grips?
What are the camera bodies reporting on the battery health?
Patrick Mayon PRO 7 years ago
Do you use live view a lot ?
Do you shoot movies with your 5D ii / 7D ?
Do you shoot long exposure photos ?
Do you spend lot of time reviewing your photos on your camera lcd ?

These can be reasons to explain the short life of your batteries.
nebulous touch [deleted] 7 years ago
If you are outdoors in cold weather, keep your batteries on your person (warm in a coat pocket or somewhere).
DoctorJ73 PRO 7 years ago
I would suggest it is the charger that is the problem. I have had issues with a charge where, unless some weight, like a book or similar, is placed on top of the battery while being charged, the battery will show that it is fully charged after only a short period on the charger, the guides for the charger will wear and after time they won't hd the battery in contact with the charger.

Try a different charger and check how long it takes to charge a battery, should be a few hours at least, if it is any less than that, then the battery is prob not fully charged.
Chrisser PRO 7 years ago
Even the heat and humidity of hot weather can affect the battery in a camera, even if only the viewfinder is used and you aren't recording videos that only works with Live View.

And regarding taking the battery out of cameras, I prefer to only remove the battery from my Canon camera whenever I am either recharging the battery when it gets low or before preparing to go away or switching to my AC adapter to take a lot of indoor photos where I need to leave the camera turned on while on a tripod and using my shutter-activating remote control. The battery chamber door of many DSLRs (and some point-and-shoots) can break easily when not carefully opened to insert/remove the battery.

If it is the battery charger malfunctioning, as others say, I'd recommend taking the charger back to where you made the purchase and tell them to take a look to see why it isn't charging your camera's batteries, and also take the batteries along and have somebody try charging the batteries just in case it isn't the charger, but the batteries losing their charge.
wbyoungphotos PRO 7 years ago
I found it very hard to understand the whole story...
I use the same cameras and I shoot alot both indoors and outdoors in cold weather like today. Same chargers and same batteries for both cameras. Having them die all at the same time is just too hard to understand....
colorful plate [deleted] 7 years ago
+1 Something very wrong going on.
If you send the camera to Canon don't tell them you used non Canon batteries, it will void your warranty.

I also own both cameras and never came close to using more than 2 batteries in ether camera.
Just had a thought as this has happened to me.
The battery grip can come loose and cause the camera to have no power. I didn't relalize this was what was causiing my camera to just shut off during shooting. At first I thought it was the batteries until I finally figured it out.

+1 wbyoung
Okie Bill 7 years ago
Take the grip off and see what happens. It could have a small short that is draining your batteries
DoctorJ73 PRO 7 years ago
I still think it could be the charger, thats the only common equipment that could cause all batteries to be flat at once.

Charge one of the batteries on the charger then rake it to so
Rove with a multimeter and check that it is actually charged,
Steven Christenson PRO 7 years ago
If you put a bad battery with a good battery in the same grip the good battery will spend its life energy trying to help the bad battery.

Try only ONE battery in your grip or remove the grip - and heed the advice about suspecting a charger problem.

Let us know how it works out for you.

PS I'm not too sure that using a "non canon" battery voids your warranty. The camera thinks it's not a canon battery when you use the AC adapter.
abymom 7 years ago
I have suddenly developed the same problem of my batteries all dying in less than an hour. I have a Canon 5D that I just got back from factory service for the defective mirror issue. Okay, so I'm late, I hadn't heard about it until my mirror fell off. Well, in less than a few weeks after I got the camera back and started using it, all my batteries are being drained. I use Canon batteries, have two Canon chargers which I am using at the same time, and it doesn't matter, they are all getting drained. It has to be something with the camera. I am doing nothing different. I don't use a grip, so that isn't it. The batteries say they are charged, the icon shows they are charged, and then in a flash they are gone. This has to be a camera issue. I'm going to contact factory service in Irvine, CA and see what THEY did to the camera that could cause this. I never had an issue like this before. So, I don't think it is the battery type, I don't think it is the chager, I don't think it is the grip, I think it is the functionality of the camera or electronics in it. ?????
BoldPuppy 7 years ago
Perhaps the problem is the grip....
PSJ Picdump PRO 7 years ago
abymom is yours a 5D or 5D MkII? (I suspect it's a 5D, due to your reference to the mirror)
How old is the camera?
How old are your batteries?
Have you replaced the date/time battery?
Ian H's 7 years ago
Lithium Ion batteries not only have a number of charge / discharge cyles in them, but also a limited shelf life. When they go it does tend to be more of a sudden loss of capacity rather than a steady decline. Especially with the older versions. The newer ones seem to have improved. Maybe they are getting better at the chemistry.

I'd suggest if you have an orignial 5D, you might be reaching the age limits.
abymom 7 years ago
the camera is about five years old, yes a 5D, but the batteries are of various ages... I just don't think that all of a sudden every battery I have would be drained at the same time. I've already tossed several batteries over the years... some batteries are a year old, some a couple, a few might have been ready to bite the dust... What is the date/time battery? In the 5D? No... unless they did that at the factory when they brought my camera up to factory specs less than a month ago. (?) Why would that cause all my batteries to be drained all of a suddden. I guess before I send the camera back for another 3-4 weeks, I could spring for one new battery and see if that one lasts... but I am a person of percentages, I guess, and logically it does not make sense that suddenly all batteries, charged in various ways, of different ages would be drained out in less than an hour! Thanks for your help.
Ian H's 7 years ago
No that doesn't sound right.

I'd try it without the grip though. Just another piece of the puzzle that could easily be taken out to see if it makes a difference. Then your down to one battery at a time.

Also make sure all the contacts on the charger are clean. I had a battery drill that behaved this way once and it turned out to be the contact between the battery and charger wasn't good.
abymom 7 years ago
Good idea on making sure the contacts are clean. I'll try that, thank you. Never used a grip so that is a non-issue. Thanks.
Ollievision™ 7 years ago
I never use a grip. My 7D is good for well over 1000 shots - I take it on holiday without the charger. Last time I went on hols it was still 1/2 charged when I got home.

I've only ever had to replace my 5D battery once during a shoot... I think it had done 500+ photos that day. I've never needed to change the 7D battery or run it flat.
Kanon Lite 6 years ago
@ryansphoto; could you please update your situation? Has the the problem been resolved?

Recently, I had bought Canon 5D Mark II (brand new) and an additional LP-E6 battery. I am noticing that both batteries drain quite quickly; sometimes without even taking photographs and sometimes after taking about 40 photographs.

These batteries are supposed to last for about 800 photographs after each recharge.

What can I do to get them replaced?

Anyone has similar issues?

Thanks for sharing your views/experiences.
Mike Ladines 6 years ago
Same problem with my 60D. It drains overnight even if the batteries are fully charged and the camera is turned off. As in it's totally exhausted. I'm using 2 new canon batteries and it's registered in my camera. My only sulotion right now is to remove the batteries while not in use.
Kanon Lite 6 years ago
Hi @Mike, thanks for feedback. I may have to go that way; haven't tried it. Removing when not used seems like a hassle, and also does not explain why only few "unlucky" us are having this issue.

Just for clarification:
I have not modified Custom Functions or Auto Off settings. I do not use Live View. All components are of original Canon brand. I have tried charging for several hours after the green lights up on the charger (sometimes even charge overnight). Also, I have been careful to shut off the camera (not relying on Auto Off).

I put in a fully recharged battery yesterday into my camera and after 12 hours it shows a shutter count of 0 and 70% battery remaining.

What a pain!!!

If it is defective pieces of battery, I would even buy two new ones; but I am not sure even then it would be OK.

Are there many other Canon-lovers having similar issues or is it just a few of us?
wbyoungphotos PRO 6 years ago
For whatever it is worth, I mark my batteries 7D and 5DII respectively eventhough they are the same batteries, and I mark the chargers the same way and they charge only their respective batteries.

The reason?
If one charger goes bad, I don't want it to ruin both sets of batteries.
One ounce of precaution....
Ian H's 6 years ago
The answer is simple.

Clearly either the battery, charger or camera has a fault. Unless you have a good understanding of camera electronics, very brave or very stupid, even if someone here could tell your what is wrong you won't be able to fix such an issue.

The best advice we can give is either spend money eliminating battery/charger issues by buying a new one(s) or send it to Canon for diagnosis.
wbyoungphotos PRO 6 years ago
For the price of sending all the gears to canon, buy a new battery and charger to check it out yourself. You need the spares anyway...

It is highly unlikely that BOTH your cameras are at fault.
Hbie 6 years ago
My 5D seems to drain batteries when switched off, never had a problem on my other cameras, like 350D, 20D, 30D and 40D.
Kanon Lite 6 years ago
@wbyoungphotos, I do have a spare battery (also genuine Canon) that behaves the same. I could buy a charger but by experimenting I have found that the charge remains when the battery is kept off-camera for hours/days. Once inside the camera it drains at precisely 3% per hour. Even took my lens and memory card off and the result is the same.

Reading the Internet horror stories of Canon repair centers in Switzerland. It almost makes me feel I should not send my camera for repair; at least I know I have a problem and can live with it if I have, say, 4 spare batteries.

To be fair, not only Canon but other brand users (such as Sony users) seem to cringe at sending their cameras for repair (here in Switzerland).

You people who live in USA have customer service that we cannot even dream of.
Hbie 6 years ago
Just take the battery out when you finish using it.
Kanon Lite 6 years ago
Some updates.

Searched the internets and saw that Canon, Nikon, Sony all have similar problems across models. Many people are not sure they want to send in the camera for repairs as they fear more damage could be done by technicians.

I have downgraded my firmware; upgraded back to latest; took out main and button batteries overnight/for two nights etc; experimented with and without CF card, with and without lenses; changed lenses; etc. So far nothing has helped.

The only thing I have not done yet is "break in" the batteries by letting them completely drain and recharge for 3/4 cycles.

Even checked my global shutter count, just out of suspicion; it is 426, which is about right according to what I remember.

Will post an update when I find something or if I send in to Canon repairs. Thanks.
AbsolutelyKareen 6 years ago

Did you ever find out what was wrong with the batteries? I'm having the same problem and would love to hear the solution as to whether it was the batteries, the charger or the camera. thanks
BoldPuppy 6 years ago
I think the suspicion was on the charger...
Chrisser PRO 5 years ago
BoldPuppy: I agree about the charger. The charger should be replaced with a proper working charger that is made by Canon.

Also, even if it wasn't the charger, like others are suggesting, try without the grip.

Also, if there is ever the time I need to purchase a new battery for the DSLR I'm using, I'll go the Canon way and buy a genuine Canon lithium-ion battery pack. No third-party brands from anything like eBay.
Hbie 5 years ago
Yes buy a Canon battery for £50-£60, I find the 7dayshop ones for about £7 work just as well and last longer, nearly all my Canon batteries have gone after 4 years.
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