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Maiden Flight..Almost lost the drone
416 14 2018-6-2
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Daedalus
lvl.3
Flight distance : 388848 ft
Cyprus
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So today i purchased another DJI Mavic Pro as i have gifted my previous one.

After upgrading and charging the battery i went for a smooth test flight ( i am well aware that maiden flights should be treated as maiden flights with extra attention)

The drone was beeping every now and then but without any error messages on screen, at 30% i have brought the drone, i was flying only 300-400 meters away just to be safe...now just as i was landing the battery dropped from 23% to 15% and then 9,8,7,6 and 3%. Now, this incremental drops took place in just 5-10 seconds..so it is impossible that the drone actually depleted the battery in such abnormal way.

Finally, the battery was cooking hot as soon as i have landed and it looks a bit swollen...

What i should do ? Return the drone ? I want to avoid this but again i dont want to risk damaging the drone from a free fall...



Thanks
2018-6-2
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Jay W
Second Officer
Flight distance : 173635 ft
Singapore
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Sounds like a shorted battery and/or drone. Best not to use it and get a replacement.
2018-6-2
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Hurley1718
Captain
Flight distance : 320164 ft
United States
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That does not seem normal at all.

Has the swelling gone down after it is cooled off?

Maybe try that battery in another drone to see if the battery is malfunctioning or your drone.

This is a hard one to test because you don't want to damage more components trying to isolate the issue. It might be wise to send it all back in and start with a new setup.
2018-6-2
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Daedalus
lvl.3
Flight distance : 388848 ft
Cyprus
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https://app.airdata.com/main?sha ... _id=POWEREfficiency

Maybe this helps.. the battery seems to have an issue..
2018-6-2
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HedgeTrimmer
Captain
United States
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Hurley1718 Posted at 2018-6-2 10:04
That does not seem normal at all.

Has the swelling gone down after it is cooled off?

If one (or more) of batteries inside the Smart Battery Pack swelled enough to deform plastic of Pack; I would not fly with Pack at all.

2018-6-2
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HedgeTrimmer
Captain
United States
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Jay W Posted at 2018-6-2 10:04
Sounds like a shorted battery and/or drone. Best not to use it and get a replacement.

What Jay W said.

I would add - Should seller balk at swapping Smart Battery Pack out for a new; I would tell seller to take whole system back and give me a refund.
2018-6-2
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Daedalus
lvl.3
Flight distance : 388848 ft
Cyprus
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HedgeTrimmer Posted at 2018-6-2 10:31
What Jay W said.

I would add - Should seller balk at swapping Smart Battery Pack out for a new; I would tell seller to take whole system back and give me a refund.

Thanks

Do you suggest going through the retailer or directly with DJI ?
2018-6-2
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SparksBird
Captain
Flight distance : 10693363 ft
United States
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Daedalus Posted at 2018-6-2 10:32
Thanks

Do you suggest going through the retailer or directly with DJI ?

You should attempt through the retailer as will probably be much easier.  If they will not do anything then go through DJI.
2018-6-2
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A CW
Captain
Flight distance : 11526437 ft
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United Kingdom
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Yep, I would take this back to the seller and gauge their reaction first.
2018-6-2
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HedgeTrimmer
Captain
United States
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Daedalus Posted at 2018-6-2 10:32
Thanks

Do you suggest going through the retailer or directly with DJI ?

What SparksBird said.  Retailer first, then DJI.
2018-6-2
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Suren
Captain
Flight distance : 6839144 ft
South Africa
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I would not fly with that battery, better to take it back and get a replacement
2018-6-2
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Daedalus
lvl.3
Flight distance : 388848 ft
Cyprus
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Thanks everyone.
2018-6-2
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davidmartingraf
Captain
Flight distance : 31303589 ft
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Recharge the battery power it up and simply hover in place and watch to see if another draining pattern happens again?
2018-6-2
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Daedalus
lvl.3
Flight distance : 388848 ft
Cyprus
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I have recharged it and just hovered... nothing abnormal up to now guys.

I have tried to use DJI Support, it is pathetic couldn't even communicate in basic English...very bad support for such great products.
2018-6-25
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A CW
Captain
Flight distance : 11526437 ft
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United Kingdom
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Daedalus Posted at 2018-6-25 00:15
I have recharged it and just hovered... nothing abnormal up to now guys.

I have tried to use DJI Support, it is pathetic couldn't even communicate in basic English...very bad support for such great products.

Good luck - glad it's sorted anyway  
2018-6-25
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