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Low battery and speed issue
425 8 2019-11-19
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MAVICDLNM
Second Officer
Flight distance : 8298442 ft
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Hong Kong
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I experienced below during my first flight, windy situation so only fly 700m max.  When the low level battery alarm start I let Mini return to home by itself.  When it reach 400m distance   I feel the speed is bit slow so off RTH and switch to sport mode.  The battery was 25% that time, after turn to sport mode for few seconds the screen showed "Battery cells under voltage. Replace battery"!  Then voltage drop dramatically and the worse is moving speed drop from 23km/hr to 2-3km/hr no matter how I push the controller.

Luckily I were managed to land in a safe place then rush to recover it...  I heard there are someone also experience this...  DJI what's going on?!
2019-11-19
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djiuser_OSPH5r8aZMws
lvl.1
United States
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I just had a very similar issue happen with me today. I'm currently charging the battery to see if anything is wrong. Hopefully it's something small. I DID notice that my flight history shows that my battery started at 50% even though when i left the house the charger said everything was fully charged. I'm currently charging it to see if maybe it's a mistake on my end
2019-11-22
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djiuser_REnZiwtizUr9
lvl.1

Spain
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This happened to me once the battery may be damaged?  I'm worried.  Comment after other flights
2019-11-26
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InspektorGadjet
Captain
Flight distance : 413376 ft
Spain
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Manual clearly states the correct voltage in the battery cells, they should be pretty close to each other and have a minimum voltage to work correctly, doping that certain threshold may kill the battery faster and also it will likely cause an error, you can test battery status in the APP.
2019-11-26
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DJI Mindy
Administrator
Flight distance : 7 ft
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Hi MAVICDLNM, sorry for the late response, may we have more details for further analysis?
1. The serial number of your drone.
2. Did you ever replace your propellers?
2. Were the propellers guards installed during the flight?
3. Please connect your drone to DJI Assistant 2 and export the logs for analysis, we also need the flight records (connect the drone to the computer, find the flight records folder under the DJI Fly/dji.go.v5 ).
2019-11-29
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djiuser_jahSanJSBkqG
lvl.1
Flight distance : 3163 ft
Netherlands
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This happened to me but it was not windy maybe 5utkph crosswind. 0 power on RTH , battery voltage and aircraft underpower warnings. Unfortunately my mini was unrecoverable. After much back and forth with dji support they simply come back with "do not fly in windy conditions" and refuse to honour warranty. The company is so despicable, absolute scumbags who released a faulty product and refuse to admit fault. I will never buy another dji product.
2019-12-11
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MAVICDLNM
Second Officer
Flight distance : 8298442 ft
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Hong Kong
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DJI Mindy Posted at 11-29 05:29
Hi MAVICDLNM, sorry for the late response, may we have more details for further analysis?
1. The serial number of your drone.
2. Did you ever replace your propellers?

Hi Mindy

Sorry I just saw your reply.
Actually that was my first flight with Mini, so of course none propellers were ever replace.
I had already email to DJI service directly and after 10's of other flights with new firmware the problem did not appear anymore.  So hopefully case close.
2019-12-16
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DJI Mindy
Administrator
Flight distance : 7 ft
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MAVICDLNM Posted at 12-16 20:45
Hi Mindy

Sorry I just saw your reply.

Glad to know the issue did not appear anymore, please don't hesitate to let us know if there is any other problem.
2019-12-16
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JJB*
Captain
Flight distance : 1549747 ft
Netherlands
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Hiya,

Did you checked your flightlog about this, was this message in the log?
If you like post your flightlog on here, using > https://www.phantomhelp.com/LogViewer/Upload/

Reading more posts about this, get the impression that it is not in the log wich ofcourse is at least to say bit weird.

cheers
JJB
2019-12-16
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