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POLL DAMAGED SWELLING BATTERIES M2’s
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1643 74 9-17 09:07
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hallmark007
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I have put swelling batteries, but enter if you have other problems with batteries, you can also vote twice if you have purchased batteries with problems in more than one month.

I do think it would help if anyone with problems add a post include photo evidence numbers of batteries and damage.
I HAVE ADDED COLUM FOR NO BATTERY PROBLEMS

Thank you .

Multiple choiceVote: ( Up to 2 entry optional ), Total 106 people participate in voting

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9-17 09:07
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hallmark007
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I already see one person posted he had swelling since June this year, for this person that’s impossible he only received his craft in August , so maybe posting false info won’t help anyone .
9-17 11:26
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djiuser_IJ7oTXK2Xt8l
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hallmark007 Posted at 9-17 11:26
I already see one person posted he had swelling since June this year, for this person that’s impossible he only received his craft in August , so maybe posting false info won’t help anyone .

Your able to see what each person selected when they vote in a poll?
9-17 13:32
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HereForTheBeer
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hallmark007 Posted at 9-17 11:26
I already see one person posted he had swelling since June this year, for this person that’s impossible he only received his craft in August , so maybe posting false info won’t help anyone .

hm.. well my battery is 06-19 and not swelling but i did once smell lithium offgassing smell like almost a sweet smell when my battery was done and hot after a decent use and push. so it maybe possible. mine may start swelling up if that offgassing becomes a problem or more common. i should been more clear in a post or not voted and posted only

side note: im going to keep my mavic 2 because i landed some jobs under th table with roofers and general contractors and buildings working on new deelopments specifically hiring me out for occassional work and they seem happy to pay decent money to just have me do autotmated grid photos  and investigating some general stuff.  def could use a zoom for this though.   but so much easier then trying to get into real-estate game.

9-17 13:35
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gnirtS
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Bought and battery manufacture date aren't always linked.
Maybe change it to clarify its battery manufacture date instead?

(for example the 3 new batteries i had to buy, 2 were made in March 2019, the other Sept 2018.  From the same shop.
9-17 21:52
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El Diabolico
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No swollen batteries here...
9-17 22:16
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El Diabolico
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djiuser_IJ7oTXK2Xt8l Posted at 9-17 13:32
Your able to see what each person selected when they vote in a poll?

Obviously...
9-17 22:17
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A J
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Bought the base kit of the M2P in early Jan - second battery later that month and a third in March - all three are still working perfectly after more than 100 recharge cycles between them.

First two are dated 10.2018 as the manufacturer date and the third is dated 11.2018.
9-17 22:35
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*DM*
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El Diabolico Posted at 9-17 22:16
No swollen batteries here...

+1 .........
9-17 23:47
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dronie1965
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Bought the extension mp2 kit 19 oct 2018 , used them
many times ,  no swollen (yet)
9-17 23:53
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hallmark007
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gnirtS Posted at 9-17 21:52
Bought and battery manufacture date aren't always linked.
Maybe change it to clarify its battery manufacture date instead?

Only problem with that might be many won’t know when it was manufactured and those who do can post man date, if I asked for manufactured date many would just say how do I find that.
It’s a whole lot easier for many to just say when they bought. I think the exercise will show how many are having or have had problems. 1st step .
9-18 00:16
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hallmark007
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djiuser_IJ7oTXK2Xt8l Posted at 9-17 13:32
Your able to see what each person selected when they vote in a poll?

It’s not a secret ballot, and it helps to avoid people just voting for the heck of it .
9-18 00:51
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DAFlys
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I think the manufactured date would be more scientific.  Batterys could have been in stock for a long time when they were purchased.  I bought batteries last month with are dated 2018.10
9-18 01:00
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Ben Mason
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Seen 0 Swollen Mavic 2 Batteries and I've seen a lot of Mavic 2 Batteries.
9-18 01:04
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hallmark007
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DAFlys Posted at 9-18 01:00
I think the manufactured date would be more scientific.  Batterys could have been in stock for a long time when they were purchased.  I bought batteries last month with are dated 2018.10

I think it would, but getting the information would be a lot more difficult, if anyone knows manufactured date the can post.
What poll above might show is how big is the problem of swelling batteries , while you may have a battery bought in June 19 manufactured in sept 18 these will not be the norm so shouldn’t  throw things out to much, I’m sure on the other hand if there was a bad batch of batteries then dji will be very aware of this, but this poll could show the disappointment of those using this forum who have had problems with batteries .
You will also be aware that your warranty is 6 months from day purchased Not six months from date manufactured.
9-18 01:39
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djiuser_IJ7oTXK2Xt8l
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Why the snarky response? Just because you could?
9-18 02:10
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AntDX316
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The real question is what battery chargers are people using?  I've been using the 4x DJI charger and have zero issues.
9-18 02:21
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fans8b803c8d
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I use the 4x battery charger, I had two M2P batteries swell to the point where they wouldn't click properly into place on the aircraft. The first instance triggered an in-flight battery connection warning onscreen so I promptly landed. The battery was swollen to a degree that it almost jumped out of the drone by itself. Both these batteries were manufactured in Jun 2018 and had around 20 recharge cycles. DJI offered a 20% discount on two replacements which I accepted. I have a third battery, also manufactured Jun 2018, which is showing signs of mild swelling. I'm watching it carefully.

From what I've read across various forum threads, here and elsewhere, the problem mainly applies to the first batch of batteries released at the Mavic 2 launch in Aug. 2018. I suspect a component or design / manufacturing issue at the outset which DJI are not admitting to and later corrected. In which case a free battery replacement programme would be warranted, regardless of warranty T&Cs.
9-18 02:51
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A J
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AntDX316 Posted at 9-18 02:21
The real question is what battery chargers are people using?  I've been using the 4x DJI charger and have zero issues.

Stock DJI 60w charger that came with the drone plus the official DJI charging hub.
9-18 04:32
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R&L Aerial photography
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I have had over 30 DJI batteries from various quads and have never had any issues, I live in a cool climate, actually pretty cold so my batteries never get hot. Years ago a had a multiplex fun jet jet with a mega brushless motor and could easily overheat a lipo battery,whenever that occurred the battery would swell.
9-18 04:40
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KerryG
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We have had DOZENS of customers with 2018.9 come in with swollen batteries
9-18 05:45
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hallmark007
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KerryG Posted at 9-18 05:45
We have had DOZENS of customers with 2018.9 come in with swollen batteries

Do you mind telling us how you dealt with this ?
9-18 09:29
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SIG-FG
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Add the 2018.7 (july) and I have 2 and 1 from 2018.8
9-18 13:44
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hallmark007
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SIG-FG Posted at 9-18 13:44
Add the 2018.7 (july) and I have 2 and 1 from 2018.8

You didn’t buy batteries in July if you did how ?
9-18 13:53
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Jose C. Borrero
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I firmly stand to my post. I deflated my battery. Still working. Period! I wont continue polluting!
9-18 15:01
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AntDX316
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A J Posted at 9-18 04:32
Stock DJI 60w charger that came with the drone plus the official DJI charging hub.

I know but those who are having problems.  What are they using?
9-18 17:31
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A J
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AntDX316 Posted at 9-18 17:31
I know but those who are having problems.  What are they using?

Indeed, third party chargers may also be the cause but I think the majority will use the one that came with the drone.
9-18 22:39
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gnirtS
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hallmark007 Posted at 9-18 13:53
You didn’t buy batteries in July if you did how ?


The first batches of M2s used in late Aug and Sep18 mainly had batteries manufactured July or August 18.

Thats the issue here, the monster thread on the other forum is showing a strong (almost total) correlation between batteries manufactured in those 2 months not purchase date.

I know someone that bought a new M2 3 weeks ago, one battery was made Sept 18.  Stock sits around at times before moved.
9-19 04:34
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hallmark007
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gnirtS Posted at 9-19 04:34
The first batches of M2s used in late Aug and Sep18 mainly had batteries manufactured July or August 18.

Thats the issue here, the monster thread on the other forum is showing a strong (almost total) correlation between batteries manufactured in those 2 months not purchase date.

I know of this other thread and there are a couple of ways of looking at this, one is batteries manufactured first showed faults when almost 1 year of use and all of a sudden people say it’s just a bad batch, but are we saying that apart from that period everything is fine or will we just have to wait and see, we don’t know if first made batteries were made for let’s say 4 months supply, that means the next lot of batteries manufactured would have been January and so on, we won’t know how these batteries fare out until they become older.
I’m certain no one knows or could say that only problems with battery’s are those manufactured in July/August.
If we use your analogy regarding batteries left on a shelf, when do you think we will see problems with these batteries is it now because they are a year old or will it be a year after use, I have heard many complain about batteries but when the poll is up we see that batteries that are given trouble are most likely at least a year old.
I have also seen on the forum here dji saying to post photos of bad batteries and the may be able to help, known how things work around here photos and videos get most attention, so I think if you have a bad battery post photo and serial # .
9-19 04:57
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hallmark007
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AntDX316 Posted at 9-18 17:31
I know but those who are having problems.  What are they using?

I suspect the majority of those are using stock chargers and I’m certain they would mention if it was a third party charger .
9-19 04:59
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Montfrooij
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I hope DJI has a fix for this!
9-19 05:36
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hallmark007
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Montfrooij Posted at 9-19 05:36
I hope DJI has a fix for this!

Well I see dji on this forum trying to help asking for those with problems to post photos, I have asked for the same, but no one has posted photos of any damage strange .
9-19 09:01
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Montfrooij
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hallmark007 Posted at 9-19 09:01
Well I see dji on this forum trying to help asking for those with problems to post photos, I have asked for the same, but no one has posted photos of any damage strange .

I noticed that too.
Good thing the old MP is not affected
(good for me that is)
9-19 12:19
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hallmark007
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Montfrooij Posted at 9-19 12:19
I noticed that too.
Good thing the old MP is not affected
(good for me that is)

My M1 batteries x4 after 3 years working well .
9-19 13:23
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Montfrooij
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hallmark007 Posted at 9-19 13:23
My M1 batteries x4 after 3 years working well .

Wow.
That is not a nice feeling.
9-19 21:43
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DRONE-flies-YOU!
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hallmark007 Posted at 9-19 13:23
My M1 batteries x4 after 3 years working well .

I have 4 batteries - 2 from September 2018 & 2 from October 2018.

2 of those batteries have not been used (just bought a Fly More Kit). NONE are swollen.

I use the stock AC charger & always let batteries cool before & after use/charging.
9-19 22:09
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bikoo
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i have three batteries, October 2018  Working fine
9-19 22:14
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hallmark007
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There is 17% of people with battery problems so far , but not a single photo ....
9-20 12:30
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AIRQUAD
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I have 2 battery production date 2018-7, and 1 battery pd 2018-6,
They are charged about 20 time, none of them are swollen.
9-25 03:55
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houdini
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Never had a swollen battery but did have a battery error once where one cell was off by .04 V. The battery had a 2017.5 date and had only 31 charges.  Using it now as a charging battery for my wife's reading lamp. Work great for that.
9-25 11:18
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