OK, I was so happy with my Phantom I got a second one, I even got the one with the pelican case.  Of course I have been using the first phantom mostly, I went ahead and fired up the new on, it has been sitting in the case for over a month, I had charged the batteries.  One of the batteries of the second phantom, it was used just once, I went to charge it & it's dead!  no lights on it when I plug in charger, I thought can it be the charger, but I plodded in another battery & it's fine.   How can this new battery go bad after just one use?   they are not cheap, so I would think that since they are expensive they will work.   This is not cool if it doesn't get replaced.   If someone can steer me in the right direction as to the course of action I can take, it will be greatly appreciated.

It's possible that you damaged the battery if you kept it fully charged for 10+ days. They are not meant to be stored fully charged for long periods of time.

Did you try to turn on the battery without plugging it into the charger?  If the battery is at 75% or higher, it needs to be turned on first before you plug it into the charger to bring it to 100%, or it won't charge if it is turned off when you connect it.

Ok, and where in the dji documentation does it give you that warning?   The battery was fine, I flew with it this last Friday, used the battery until it was down to less than %=25%  I was about to charge it today, I pressed the power button on the battery,  but no lights, seemed totally dead, plugged into the charger over 30 minutes ago, and still no lights

It is on page 9  section 2.3 # 2

Do you have a green light on the charger before you plug the battery into it?

I'm charging the other battery with the same charger, so it's working fine,  now that page says when it reaches 0 it's no longer operational, but the manual also says that the battery has a discharge protection, it has been used only once, how can a new expensive battery be dead after using it once.

rivera_albert@c Posted at 2015-2-24 12:27
I'm charging the other battery with the same charger, so it's working fine,  now that page says when ...

Hold the start button down until it starts to flash red,  about 10 to 15 seconds.

I tried that, still dead

rivera_albert@c Posted at 2015-2-24 12:44
I tried that, still dead

Contact the place you purchased it. Talk with them.

Ok I will  contact them.   Thank you all for the input.