Repair guides and support for Sanyo digital cameras.

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batteries go flat is left in camera

I have a Sanyo VPC-E2100. All was working fine with it. Then the batteries went flat. Bought some more, went flat.

Bought some good rechargeable ones. I have discovered if I leave them in the camera they will go flat, quite quickly. If I take one out, and then put it in when I want to take photos, all is fine. But that is a REAL nuisance.

What is going on, and what can I do about it?

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Thank you for your help.

However, the problem is that this didn't happen when I first started using the camera, but does now??? I trialled leaving the batteries in for just a couple of hours, if that, and they went flat. Really frustrating as I use it a lot in the classroom and don't want to keep taking the batteries out and putting them in again, especially as it was okay before ...

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Hi,

How are you turning the camera off? Do you press the power button to turn it off or do you allow it to turn itself off? If the latter what option have you selected in the Power Save setting?

Also what option is selected in the LCD save setting?

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I press the power button to turn it off, the power save setting is one minutes and the LCD save setting is 'on'. Is this the correct thing?

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Are you sure your turning the camera off every time?

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Hi @jmbkiwi ,

Just wondering if you have the time to try the following.

Check the date and time on the camera, then remove the battery. If you can, leave it this way for at least 24 hours, then re insert the battery and check to see if the time and date are still correct and have not reverted back to factory default setting.

Unfortunately the User guide does not specify how long the date and time should be "held" when the battery is removed, it just says a long time.

My thinking on this one is that as you imply that the camera appears to be functioning normally except for the battery problem and the only things left "powered on" when it is switched off is the "switch on" detect circuit and also that the settings are maintained. When the camera is off the battery also maintains a charge to a capacitor (presumably it is a capacitor and not another non user replaceable battery) which "holds" the settings information if the battery is removed. I'm wondering if the capacitor is faulty and draining the battery. So the sooner that the correct date and time are gone the more likely that the capacitor is the problem. e.g. if it is gone in 12 hrs etc or perhaps even 24hrs in case it is supposed to last longer

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Hi @jmbkiwi ,

Thank you for doing what I suggested.

One other thing that I forgot to ask. Did you change the setting for the type of battery that you installed? If so please ignore this question. Go to Settings > Battery Type (Click on image to enlarge it for better viewing)

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I personally think that 12 hours is far too short a time to hold the settings with the battery removed. I may be wrong about this of course.

Most other cameras which employ the same method of retaining the settings with the battery removed all seem to be able to hold them for a least 24 hours if not longer.

Unfortunately as I cannot find a service manual, (or even a video online) on how to dis-assemble your camera so as to gain access to the relevant section in the camera to see if it is actually the problem, I'm afraid that I cannot suggest any other course of action except to take it to an authorized Sanyo camera repair service to see if the problem can be resolved by them.

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No I didn't do that, and it was set to the wrong type, soI have set it correctly now. I appreciate your help

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Hi, See how it behaves now as far as main battery life goes

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Almost all electronic devices (now) are always on in low current mode checking to see if you have pressed the power on button. So if you put your device away long enough (Never turning it on) the small drain on the battery will discharge it until its dead. So store your batteries outside of the camera. The exceptions to this are devices that have a real switch that disconnects power to the device. Sadly the people designing things are pretty dumb so we have things like phones that are never really "off" unless you take out the battery.

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They design it that way for a reason. A. The battery is necessary to maintain the clock and B. It is necessary so it can detect the power button press, among other reasons. The guys at the factory don't go "Well, I guess we'll just have to make it not fully shut down for no good reason." Besides, when, for example, a smartphone is shut down for several years, 90% of the drain would be from battery leakage and not low power functions such as the clock.

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I'll go up against you in who has designed things longer and better (And thats with me having no idea who you are - me in ego maniac mode ;-)

Otherwise we just have to agree to disagree. The rtc can be kept running with a super cap and if you assume the owner is going to use the camera once a year the clock and date will be fine. The current needed to run the CPU in these "smart" on button phones are what discharges the batteries. Real Time Clock chips are designed to run forever on either a super cap (or a mercury cell)

I learned the hard way about batteries going dead when left in two way radios which had been set aside to be ready to use. So everything was supposed to be Mission ready. Not only were all the batteries dead but in more then one they had leaked and ruined the equipment. Mission really unready.

Far too many designers just copy something someone else did and add no original thought or have the understanding to do things right.

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Jenny Bishop will be eternally grateful.
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