W80 compatible battery problem

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It is important for you to know that the specified charger that it is supposed to work with has a special method of charging it as the battery is a very delicate one. That is why it is specified that you have to use a compatible charger.
When you use a universal charger, it does not charge the battery as the battery is supposed to be charged. This inflicts some minor damage on the battery and makes it impossible for the battery to work.
The compatible charger has a unique spontaneous way of emitting charges into the battery and the universal charger lacks this. So when the universal charger is used, it does not emit the right amount of charge into the battery.
The only way around this is if you can modify the charger or the battery in such a way that it might work. But then, you maybe damaging your camera. Instead, buy a specified charger.
Hope this was helpful? Please comment for more information and thank you for using fixya.

1. Ensure the camera is turned on.
2. If applicable, ensure the lens cover has been removed before taking pictures.
3. Ensure the LCD backlight is turned on by pressing the DISPLAY button several times until the screen appears. NOTE: Depending on the camera model, the DISPLAY button may be labeled as DISP or with a display icon [FIG. 1]. This button could be a standalone button or incorporated as one of the control arrow buttons depending on the model of camera.
   
4. If operating the camera with a battery, ensure the battery is fully charged.
5. Ensure the battery is inserted properly in the camera.
6. If operating the camera with the power adapter, ensure it is plugged into a working AC outlet.
7. Ensure no Audio/Video (A/V) cables are connected for viewing pictures on a TV; the LCD screen will not display when an A/V cable is connected.
8. Perform a reset procedure on the camera.

The troubleshooting steps listed above should resolve your issue. If you have completed all of the steps and the issue is not resolved, service may be required. The Sony Service Web site at http://eservice.sony.com/ can assist you in obtaining service from a Sony Service Center or locating a Sony Authorized Servicer.

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Try to reset the camera to original settings:
How to reset a Cyber-shot® digital still camera back to original factory settings. Solution
Cyber-shot cameras nowadays have a built-in rechargeable battery for retaining time, date, and other settings. Since the built-in rechargeable battery is not removable, current Cyber-shot camera models can only be returned to the original factory settings by pressing a small RESET button on the camera or by using an Initialize option in the menu.
Older-model Cyber-shot cameras (prior to the year 2000) do not have a built-in rechargeable battery and do not have a RESET button or Initialize option in the menu. These cameras require a manual power reset.
IMPORTANT: To determine whether or not your camera has a RESET button or Initialize option, or for other model-specific information to complete any of the steps in this solution, refer to the operating instructions supplied with the product. Manuals are available online in the Manuals/Specs/Warranty section of the Sony® eSupport Web site.
Follow the appropriate procedure below for your camera.
Using an Initialize option in the menu
Since Cyber-shot cameras have different menu system layouts, refer to the instruction manual specific for your camera model.
Using a RESET button

1. Locate the RESET button on the camera.
2. Use a pointed object (like a ballpoint pen) to press and hold the RESET button for 2-3 seconds.
3. After 2-3 seconds has elapsed, release the RESET button.

Performing a manual power reset

1. Turn off the camera.
2. Remove the battery pack.
3. Remove the button-sized lithium battery.
4. Allow the camera to remain without power for 30 seconds.
5. Reinsert the button-sized lithium battery.
6. Reinsert the battery pack.
7. Turn on the camera.

Why do you want to "Short Circuit" the battery, as if this is done, and as I have experienced, that will often cause them to literally explode! If you mean how do you Flatten a battery, for recharging or similar. Then you use a small 1 OHM 10 Watt. resistor. Or a Torch light bulb. Anything other than a direct 0 OHM circuit, is OK. but like joining the ends of same piece of wire to each terminal, is going to be a bad. experience.

This appears to be a common fault. You can look up similar problems in fixya with the words "Sony" and "for use with compatible battery only". It would appear to be a logic fault in the battery system somewhere. Here's a couple of solutions with merit that appear elsewhere......

Solution 1)
I took out the battery from the camera; then I made a short-circuit with a small cable between all the three electrical contacts in the bottom of the battery. Then I put the battery into the camera; the camera didn´t turn on. I took the battery out again from the camera and placed it in the charger supplied, in a few minutes the light was off. I placed the battery in the camera, and ... I´m working well with it! (5 people thought this was helpful)
Solution 2) please remove the battery while pressing and holding the power button for 1 min. plase make sure that the battery supplied for yer camera is an NPBG1 original sony battery.
(12 people thought this was helpful)
A final health and safety word - take care when shorting out batteries - they can still give a shock. If you work from the assumption that your battery is currently unusable, then these solutions might work...... or you'll end up with a shorted useless battery (i.e. not really any worse off than now). If you find a better workaround - please post it.

you have a bad power switch, you will need to take the camera apart and clean the inside of the switch with alcohol

Try to reset the camera. Reset is an option in the menu.

First are you using a genuine Sony battery if not then get one. if you are it is a faulty battery pack and requires replacement, if under warranty take it back to the place of purchase

please remove the battery while pressing and holding the power button for 1 min. plase make sure that the battery supplied for yer camera is an NPBG1 original sony battery.

I set the USB to PictBridge mode (press home button, then main settings). Now iPhoto recognizes the camera and I can import photos.