Why does my battery not hold its charge when I've charged it?

go here and buy a used one for parts 81541945352?pt=UK_CamerasPhoto_DigitalCameras_DigitalCameras_JN&hash=item418d352808">HITACHI DIGITAL CAMERA HDC 1209ER working but needs repair

• check if the batteries are fully charged.
• try resetting the camera.
• zooming motor has gone bad. have it replaced.

You don't need any special software.
The best way to download pictures from your camera to your computer involves removing the memory card from the camera and plugging it into a card reader (either built-in to the computer or connected via USB or FireWire). This is likely to be faster than connecting the camera to the computer, and won't run down your camera's batteries.

Once the card is plugged in, it will appear to your computer as a removable drive. You can use the operating system's drag&drop facility to copy pictures from the card to the computer's hard drive, the same way you copy any other files. Or, despite what said first, you can use any photo cataloging program, such as Picasa.

Try replacing the batteries, it is evident the camera is not getting enough power, especially when you run the flash, this should address the issue.

On Windows 7 you do not require a driver for this camera. Switch the camera on, plug it into the USB cable, plug the other end of the cable into a spare USB port, on the camera LCD screen, select "PC", Windows will then see your camera as a portable drive, simply copy the photos from that drive into your photo folder.

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It's bad/weak batteries. I had the same problem using Hyundai batteries, thought the camera had broken until I used Duracel instead and it worked as it should. Batteries don't last long in digital cameras full stop, but decent brands like Duracel will help.

GET A MANUAL AND LOOK IT UP YOURSELF

I have the exact same problem and also do not know how to fix it. Were you able to fix the problem? If so I woulsbe keen to know how you fixed it.

I have the same problem. My research suggests that a battery for the Konica Minolta NP-900 may do the trick. The dimensions and configuration look the same as that for the Hitachi HDC-531E.
I've ordered a cheap one from Hong Kong and will let you know whether it works once I've tried it out, Fingures crossed!