Question about Canon PowerShot A75 Digital Camera

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Drained Batteries I am having a battery problem with my A75, which is my first digital camera. The camera has gone through 2 sets of brand new alkaline batteries since I've had it. I have taken only two photos. I've mostly only turned it on a few times to fool around with it and to try to learn the different functions. The most recent batteries where drained after sitting in the camera for two weeks and taking no photos. Basically, brand new batteries drained after two weeks of no use. The Canon help line has told me that these cameras discharge batteries when they are not in use, especially alkaline batteries, and if I'm not going to use the camera for more than 2 days, I should remove the batteries and set them aside, even NiMH rechargeables. Does anyone know if this is true? This explanation seems a little absurd to me, since the manual makes no mention of the camera discharging batteries when it is off. All the manual says is to take the batteries out for extended periods of non-use to avoid damage from the batteries leaking. Can someone tell me if this seems right or might the camera be defective? Many thanks,

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Re: Drained Batteries

I use professional $70k cameras for work and it's the same type of thing. If you're not using it, take the batteries out. With my A75 I have some energizer 2200mpa rechargeable AA's and the seem to last about a month or so. If I happen to be "cranking" through pictures though (upwards of 300-500) in one sitting, it will suck them dry. The rechargeable batteries last longer than the Alkalines. I was heistant with the rechargeables but for $20 I picked up a 15 minute charger and the 2200mpa AA's, now I recommend them to everyone with a digital camera. Digital cameras eat Alkaline batteries in a hurry.

Posted on Mar 29, 2006

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Whenever I put new batteries into my Canon Powershot A480, I get the same thing - I get the 'Low Battery' red flashing light. And Then as I go to take a picture it shuts off and says ; Change The Batties....


I've got the same problem with 2 A 480 canon. I put in NiMH batteries and they work fine. If you put in slightly drained used batteries they work!! Nimh batteries are 1.2 volts and Alkaline are 1.5 volts. There is definitly a problem with this camera. I measured the voltages of brand new batteries 1.51 volts each and they didn't work. I put in some old batteries 1.4 and 1.42 volts and they worked fine.

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1. Most likely is discharged or improperly inserted batteries. Make sure to use freshly charged AA batteries that are inserted with the correct polarity. The Inner 2 have the minus side up and the outer 2 batteries have the + side facing up.

2. Close the battery door fully because the battery cover pushes on a small sensor that has to be closed before the camera will turn on. The battery cover slides and clicks into place. If the battery cover sensor is bent or damaged then the camera would not turn on. The battery cover sensor is tiny, and out of the way and probably not obvious that is has one.

3. Insert the proper memory card and close the memory card cover securely. If it's left open or not seated fully the camera may not turn on. I

4. Also remove the memory card and re-seat it, then close the cover again in case it was not fully closed.

5. Remove the batteries and check that the battery terminals are clean and they appear to be intact. For example, corrosion from leaking batteries could cause a poor connection.

6. Was the camera dropped? If it was dropped that can bend the metal battery contacts, then when you put the batteries in it doesn't really contact the battery properly.

7. If it still won't turn on have an electronics guy check it over, or at the local college electronics teacher. I've fixed these before and the main DC circuits are not too complicated. These camera's can even be powered up using a regulated 6V DC power supply connected properly to the battery terminals, (just for testing) and in that case you don't need batteries to tell that the camera works or not. These draw about 300mA of current when ran from 5V to 6V DC.

I attached a JPG photo showing a similar Canon A60 running via a DC power supply and no batteries. This one was apart at the time to fix a stuck zoom lens, and when it's apart there is no where to put the batteries so I have to power it this way.

You do not have to take it apart or use this method. I just mentioned this so it's clear that all it needs to run is 5 -6V DC from properly charged and inserted batteries (or an external source). Don't try connecting anything if you are not familiar with electronics because connecting it up wrong can damage the camera. Try the suggestions mentioned early and it will probably work since these are pretty reliable cameras.

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cudgegong said in another forum:

To resolve the annoying "change the batteries" problem. Goto menu, choose yellow menu, select
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Hope That Helps,
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This might be an E18 lens error issue. Here's some things that you can do to try to correct it. Have already fixed several cameras with this problem by using these methods:
http://www.e18error.com/repair.html

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