Question about Nikon D300 Body Only Digital Camera

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Just bought a used d300 and it won't power up. It

I just bought a used d300 and it won't power up. It has a fully charged battery, and won't even display the shots left when in the off position. The battery voltage is 8.4 on my digital multimeter. It came on briefly and did do what it should, showing flash card (light) and display with menus, but just quit doing anything after about 5 minutes. How dead is it???

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Sometimes, checking the battery's voltage discharges it. Try not doing that once and see what happens. Also, it wouldn't hurt to clean the battery contacts in the camera with a cotton swab lightly dampened with rubbing alcohol.

Posted on Sep 30, 2009

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I have been having this problem with my Olympus mju1040 for quite sometime. Everytime i tried to charge the battery when the battery low signal is blinking or when the screen blackout, it will be fully...


Try charging it for an hour even if it is indicating that it is already full in 10 minutes. If the battery still gets drained after a few shots, then you should change your charger.

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My dyson handheld charges fully, but keeps cutting out when using. About 7 seconds is the longest continual usage time


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I put in a freshly charged battery and go shoot a youth football game. After a series of shots, my battery is "dead". I turn the camera off and then back on and can get a few more shots before it goes dead...


How about cleaning the battery contacts in the camera with a cotton swab lightly dampened with rubbing alcohol? It also wouldn't hurt to visit the support section of the Nikon website to see if they've posted any firmware updates.

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1 Answer

Kodak Easy Share z712 IS not detecting charged battery


I have the exact same camera almost a year too. It is a total "swinka" on batteries. About 10-15 shots on super ni-cads, and quits without warning.

A pair of Energizer 7X gave me near 500 shots. Much cheaper but still ...

So 4 months ago I bought a charger and 2 rechargeables. Charge one while using the other one.
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Testing the batteries without a load doesn't really tell you anything.
What's the reading? Should be well over 4 volts when fully charged. Mine show 4.2V

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1 Answer

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Did you know that there are 2 kinds of batteries? Some have memories and others do not rely on a memory. The ones with memories have to be fully discharged or they will only charge a little, and keep charging less and less each time they are charged. The ones without the memory can be charged fully without being discharged fully. Check into battery information on line to get more information. Maybe you can get the non-memory kind.

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1 Answer

Power capacitor


From the Legacy Manual:


The supplied charging bulb(included
in the package)is used when initially
charging the Cap. the charging process
is accomplished by connecting the
charging bulb in series between the
battery’s positive post and the
capacitor’s positive terminal.(plese
refer to the diagrambelow). it is very
important to follow this process to
eliminate the possibility of damaging
the cap/battery, and other audio
devices. The charging process is
complete when the voltage of the
capacitor reaches the same voltage
as your vehicle’s battery. This process
will take a matter of seconds to
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to check the voltage across your
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charging bulb actually eliminates the
need for the volt meter, when the cap
is fully charged (cap and battery have
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dim or fully out.

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1 Answer

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Im not trying to sound degrading, but isnt there a little button on the bottom right of the display that turns it on or off? I know there is on the D70 and D80, Ive never actually used a D300 myself, bu tI just thought maybe thay had a common trait.

Other than that, can you still use the rest of the camera, like taking pictures and whatnot?

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1 Answer

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cheers

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http://www.nikonusa.com/pdf/manuals/noprint/D300_en_noprint.pdf

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