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DPChallenge Forums >> Hardware and Software >> Battery problems Nikon D90
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08/08/2010 03:59:58 PM · #1
Recently, when I charged my EN-EL3e battery for Nikon D90, I forgot to unplug the contact when the battery was fully charged and I left it over the night. It was left charging for some 20 hours. Afterwards it doesn't wanna function properly, very rarely I can use my camera, but most of the times the display is just showing a blinking empty battery sign. Is the battery distroyed for good and there is nothing to do, but to buy a new one? Here, where I live (Sweden) it cost's ca 70 Euros, not so little!
Help!
08/08/2010 04:52:59 PM · #2
My D300 uses the same battery. I've left the battery in the charger for longer than a day in the past and that hasn't affect the battery. Does the camera (in the menus) tell you the condition of the battery?

ETA: Refer to p. 208 of your user's manual for battery info. It will tell you the condition of your battery.

Battery Info
View information on the battery currently inserted in the camera (if the camera is powered by an optional MB-D80 battery pack containing two EN-EL3e batteries, information for each battery will be listed separately; only the battery level is displayed when AA batteries are used).
Bat. meter
Pic. meter
Battery age
GPS
The current battery level expressed as a percentage.
The number of times the shutter has been released with the current battery since the battery was last charged. Note that the camera may sometimes release the shutter without recording a photograph, for example when measuring preset white balance.
A five-level display showing battery age. 0 (k) indicates that battery performance is unimpaired, 4 (l) that the battery has reached the end of its charging life and should be replaced. Note that batteries charged at temperatures under about 5 °C (41 °F) may show a temporary drop in charging life; the charging life display will however return to normal once the battery has been recharged at a temperature of about 20 °C (68 °F) or higher.

Message edited by author 2010-08-08 17:05:45.
08/08/2010 04:58:54 PM · #3
I also have left my battery changing and forgotten so it has been ont he charger for a day or so, and have never had a problem
08/08/2010 05:27:03 PM · #4
Remove the battery and put it back in, it can be that it's not correctly inserted (it happened to me once, it's a minimal thing).
08/09/2010 12:54:26 PM · #5
When I once managed to turn on the camera, I checked the battery level in the menu and it was showing that the battery was totaly new (unimpaired). However, the camera didn't want to turn on again after a while and the low battery sign was blinking. I tried to remove and put the battery several times, no use. Now, no matter what I try, it's still the same. Tomorrow, after work I'll go to the shop where I intend to try their battery with my camera and see if it really is the battery that is the problem. I'll let you know.
Thanks so far.
08/09/2010 01:03:37 PM · #6
Try cleaning the contacts with a rubber pencil eraser. Also, you may check the menu in your camera settings to see if there is one for "discharge" which will take the battery down to a low state of charge, then recharge the battery.
If you have a plug in line current power supply for the camera, plug that into the camera to check the camera and make sure that the problem is not in the camera itself.
It sounds to me like the connection from the battery to the camera is not making good contact.
I hope you find the problem, and that it is easy to take care of.
08/09/2010 01:03:59 PM · #7
I've left mine on the charger for days, no problem.

However, I have a 3rd party Lenmar battery which has become "Exhausted"--it won't hold a charge anymore. If your battery is old, that could be it.
08/11/2010 11:46:56 AM · #8
It happened the strangest thing yesterday: after all my tries to get life back into my camera were unsuccessful, I decided to go to the local camera store to check the camera with their battery. I decided to change lenses, cause I had my Tamron micro lens on after my last challenge and it's rather heavy, so I changed to my 35 mm prime. I didn't even have any hope that it will happen anything, but I decided to give it the last try, so I turned on the camera and it was working perfectly. I couldn't believe my eyes. Then, I changed back to my Tamron lens, just in case, and it was also working without a problem. I turned on and off my camera a dozen of times, and no problem anymore. Now I don't know what to think, but it must have been something wrong in the connection between lens and the body, or? I'll give it a try some days and see how it develops.
Thank you so much for the comments and ideas, and keep shooting!

Message edited by author 2010-08-11 11:48:01.
08/11/2010 04:25:06 PM · #9
Originally posted by gpuretic:

It happened the strangest thing yesterday: after all my tries to get life back into my camera were unsuccessful, I decided to go to the local camera store to check the camera with their battery. I decided to change lenses, cause I had my Tamron micro lens on after my last challenge and it's rather heavy, so I changed to my 35 mm prime. I didn't even have any hope that it will happen anything, but I decided to give it the last try, so I turned on the camera and it was working perfectly. I couldn't believe my eyes. Then, I changed back to my Tamron lens, just in case, and it was also working without a problem. I turned on and off my camera a dozen of times, and no problem anymore. Now I don't know what to think, but it must have been something wrong in the connection between lens and the body, or? I'll give it a try some days and see how it develops.
Thank you so much for the comments and ideas, and keep shooting!


My guess is you're correct, a faulty connection between your camera body and that Tamron lens. Hopefully it was a one time occurrence. (But I'm no expert.)
08/11/2010 09:58:17 PM · #10
I like a story with a happy ending. If the Tamron lens has an aperture ring, you may have had the ring manually set in some position away from the smallest aperture/auto setting, causing the camera to have fits.
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