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Released by Nikon in January 2014, the Coolpix L830 is a compact digital camera designed to provide powerful zoom with simple operation.

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Why It only turns on with the power supply?

Nikon coolpix L830 started to place messages , card can not be read., i turn it off them On and it worked.

Now the camera does not turn on with the batteries , I plug it to the power supply and that's how it works.

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batteries can be bad enough that they appear to be fully charged in the charger but have such a high internal resistance that the terminal voltage under load won’t run anything. If u really want to test it u must put a load across your DVM probes and connect to the output terminals.

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How i do it? A have a DVM and i have try several testing. Batteries are new and the charge is ok.any other tips?

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