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Battery Issues - 2 Green Lights
547 10 2018-9-2
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DJI User9262
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Flight distance : 316785 ft
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I just went to launch my Mavic Pro 2 and I got a battery failure status on the remote.  Both of the bottom lights are solid green on the battery. Drone will power up with the battery but only to about 15% even though the battery was 100% when I started the drone.  I assume this is a battery failure but wanted to check if that was the case before going through the trouble of sending it back.  It's only a week old and has only been changed about 3 times. Other batteries work fine with no issues.  
2018-9-2
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DJI Stephen
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Hi there, thank you for reaching out and we're very sorry for the inconvenience. Regarding with that is it possible for you to provide some pictures of the issue for better visualization? However, here's some chart about the battery status.
2018-9-2
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Paul_IA
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When you look at the individual cell voltage, is there a deviation? The app will show the individual cell voltage when the MP2 is powered on.
2018-9-2
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DJI User9262
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Flight distance : 316785 ft
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DJI Stephen Posted at 2018-9-2 13:42
Hi there, thank you for reaching out and we're very sorry for the inconvenience. Regarding with that is it possible for you to provide some pictures of the issue for better visualization? However, here's some chart about the battery status.
[view_image]



So here is what I am seeing.  
2018-9-2
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DJI User9262
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Flight distance : 316785 ft
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Paul_IA Posted at 2018-9-2 13:43
When you look at the individual cell voltage, is there a deviation? The app will show the individual cell voltage when the MP2 is powered on.

I'm getting an error in the DJI app display saying that there is an error with battery status data.  So I'm getting nothing from the battery at all on cell status.  I have that set to display all the time.
2018-9-2
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DJI User9262
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Ok, Interesting change for the better.  In the process of capturing pictures to update the post I reset the drone multiple times.   The last time the status on the remote changed to show the firmware was not in sync.  It failed to update twice and then completed and it looks to be working correctly now.   I get all 4 lights on the battery and the battery status is now getting updated in the DJI go App.  So it would seem it was just a firmware issue that was not getting picked up by the battery for some reason.  
2018-9-2
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Paul_IA
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DJI User9262 Posted at 2018-9-2 15:49
Ok, Interesting change for the better.  In the process of capturing pictures to update the post I reset the drone multiple times.   The last time the status on the remote changed to show the firmware was not in sync.  It failed to update twice and then completed and it looks to be working correctly now.   I get all 4 lights on the battery and the battery status is now getting updated in the DJI go App.  So it would seem it was just a firmware issue that was not getting picked up by the battery for some reason.

Good to hear. Glad you got it sorted out.
2018-9-2
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DJI User9262
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Paul_IA Posted at 2018-9-2 16:21
Good to hear. Glad you got it sorted out.

Yes, Thanks for the feedback.  I never had that issues before and I have always had multiple batteries for my DJI drones.  It's clear that the firmware change that just came out must have needed to do something on all the batteries and that one never updated.  
2018-9-2
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Dirty Bird
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DJI User9262 Posted at 2018-9-2 15:42
[view_image][view_image]

So here is what I am seeing.

The battery light sequence is what my M2P showed while performing the battery portion of its firmware update.
2018-9-2
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Dirty Bird
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DJI User9262 Posted at 2018-9-2 15:49
Ok, Interesting change for the better.  In the process of capturing pictures to update the post I reset the drone multiple times.   The last time the status on the remote changed to show the firmware was not in sync.  It failed to update twice and then completed and it looks to be working correctly now.   I get all 4 lights on the battery and the battery status is now getting updated in the DJI go App.  So it would seem it was just a firmware issue that was not getting picked up by the battery for some reason.

Lol guess I should have read more messages before replying.  Glad you got things worked out.
2018-9-2
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DJI Tony
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DJI User9262 Posted at 2018-9-2 15:49
Ok, Interesting change for the better.  In the process of capturing pictures to update the post I reset the drone multiple times.   The last time the status on the remote changed to show the firmware was not in sync.  It failed to update twice and then completed and it looks to be working correctly now.   I get all 4 lights on the battery and the battery status is now getting updated in the DJI go App.  So it would seem it was just a firmware issue that was not getting picked up by the battery for some reason.

Hi, Thanks for your updates. Glad to know that the issue has been sorted. Please ensure that everything is up to date when in terms of firmware prior to your flight to prevent issues. Please let me know if you have other concerns. Thank you for the support.
2018-9-3
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