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Is this battery swollen?
3017 14 2017-11-1
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RobbinB
lvl.3
Flight distance : 59839 ft

Sweden
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Bought it second hand.
Got it today, checking it very carefully.
5 cycles.

It wont snap on as easy as my other 3, and when in place if i press the 2 black releasebuttons, it pops a little, which tells me there is a little tension from something.



2017-11-1
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QuadKid
Captain
Flight distance : 482349 ft
United States
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It is common for a little swelling with Lipo's, in my opinion it doesn't look like anything to worry about at the moment, just keep an eye on it for additional swelling.
2017-11-1
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Welsh Mavic
lvl.4
Flight distance : 26493 ft
France
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If in doubt, put it aside and buy new.  I would bin it.  In a proper bin
2017-11-1
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$gambino$
First Officer
Flight distance : 1563980 ft
United States
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Doesnt look swollen i have a few batterys that fit a little tighter then the others. If it was small on you would see on the Black Label be bulging and on the back end of the battery would be swollen (little black cardboard cutout). Just checking to make sure you're voltages are okay and if it charges fine you should be good as long as you hear those clicks when putting in the battery you're fine
2017-11-1
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$gambino$
First Officer
Flight distance : 1563980 ft
United States
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*swollen*....
2017-11-1
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StanfordWebbie
Captain
Flight distance : 178018 ft
United States
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I vote with gambino.
2017-11-1
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M.C. Pilot
Captain
Flight distance : 10278435 ft
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United States
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Looks fine to me but agree to keep an eye on it. Seems to snap ok.
2017-11-1
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MBrown
First Officer
Flight distance : 619790 ft
United States
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As  long as the voltage is OK across the three cells and it charges correctly, I see no issues.  The fitment could be a result of a design change in maufacturing, maybe.
2017-11-1
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DJI Thor
Administrator
Flight distance : 13602 ft
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How about the battery information on the app? Does it work well?
2017-11-1
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RobbinB
lvl.3
Flight distance : 59839 ft

Sweden
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DJI Thor Posted at 2017-11-1 18:44
How about the battery information on the app? Does it work well?

Thanks guys for all the answers..

Thor, when i got the battery it was at 45%, all looked good in app.
Im charging it right now actually, will check again when at 100%.
2017-11-1
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DJI Thor
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Flight distance : 13602 ft
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RobbinB Posted at 2017-11-1 22:19
Thanks guys for all the answers..

Thor, when i got the battery it was at 45%, all looked good in app.

Okay, and I will ask the engineers to help to confirm if it is normal. Will reply you once I got the answer.
2017-11-2
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Bigga J
Second Officer
Flight distance : 1493 ft
United Kingdom
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It looks swollen to me .... I had the same issue with some Yuneec Q500 batteries, they would charge fine but not last more than 5 mins flight time .... Throw them away, and don't scrimp on buying used batteries, it's false economy.
This problem can be caused by keeping batteries fully charged and not using them for several weeks.... I know to my cost. Always where possible store batteries with approx. 50% of their full capacity left and then charge them just prior to using them.
2017-11-2
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RobbinB
lvl.3
Flight distance : 59839 ft

Sweden
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It charged ok, and values in app was ok.

I flew about 15 mins and have 45% left. (i did it on a break so did not have more time)
2017-11-2
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Bigga J
Second Officer
Flight distance : 1493 ft
United Kingdom
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RobbinB Posted at 2017-11-2 03:23
It charged ok, and values in app was ok.

I flew about 15 mins and have 45% left. (i did it on a break so did not have more time)

Sounds like you got lucky ... well done.
2017-11-2
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DJI Thor
Administrator
Flight distance : 13602 ft
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RobbinB Posted at 2017-11-2 03:23
It charged ok, and values in app was ok.

I flew about 15 mins and have 45% left. (i did it on a break so did not have more time)

Hi, the engineers had checked this thread and confirmed it is normal. No worries.
2017-11-7
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