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Battery Error "broken cell....
809 7 2017-3-5
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040mike
lvl.2
Flight distance : 29045 ft
Germany
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Hi,
I have the FlyMoreCombo and one of the extra batteries failed after 6 flights. Red flashing status light and in the android Go4 App it says "broken cell, pls replace battery"
I had a look to the cells in the app: after fully charged the Batt. : 4.17 4.33 4.32 :-(   Btw, I've never flown below 30% and YES I'm on the latest FW / APP!
And now with 75%: 3.94 4.09 4.07 ....
Will a full discharge / charge solve the problem?


2017-3-5
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Scunna
First Officer
United Kingdom
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Take battery down to 10 % then charge back up. Should balance cells.
2017-3-5
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040mike
lvl.2
Flight distance : 29045 ft
Germany
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Scunna Posted at 2017-3-5 09:24
Take battery down to 10 % then charge back up. Should balance cells.

Thanks, will try tomorrow ... maybe I have to DIY a 100W load and get that batt. connector in case it happens again on an other battery ... who knows :-/
2017-3-5
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dronist
Captain
  • >>>
United States
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040mike Posted at 2017-3-5 10:15
Thanks, will try tomorrow ... maybe I have to DIY a 100W load and get that batt. connector in case it happens again on an other battery ... who knows :-/

If did not work. Battery has 6 month warranty!
2017-3-5
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DJI Mindy
Administrator
Flight distance : 7 ft
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040mike Posted at 2017-3-5 10:15
Thanks, will try tomorrow ... maybe I have to DIY a 100W load and get that batt. connector in case it happens again on an other battery ... who knows :-/

Please keep us posted.
2017-3-5
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040mike
lvl.2
Flight distance : 29045 ft
Germany
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DJI Mindy Posted at 2017-3-5 19:32
Please keep us posted.

Unfortunately no success.  After discharging to 0% = 3.25 3.64 3.63 and then a full charge (all Batt. lights off) the reading is: 4.17 4.34 4.33 ...
Looks like before ... RTS
2017-3-6
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DJI Mindy
Administrator
Flight distance : 7 ft
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040mike Posted at 2017-3-6 09:17
Unfortunately no success.  After discharging to 0% = 3.25 3.64 3.63 and then a full charge (all Batt. lights off) the reading is: 4.17 4.34 4.33 ...
Looks like before ... RTS

For your flight safety, I'd suggest you to send it in for further evaluation.
2017-3-7
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CuaC
First Officer
Flight distance : 369626 ft
Germany
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Send it to DJI, you've got more batteries to keep having fun, and they'll replace it I guess. It's on warranty!
2017-3-7
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