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mavic battery life expectancy
609 15 2017-8-11 13:31:54
Bekaru Tree
Second Officer
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South Africa
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Hi, can anyone please advise what the life expectancy of a mavic battery is?
2017-8-11 13:31:54
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ephektz
lvl.3
Flight distance : 28814
United States
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This should be required reading: https://rogershobbycenter.com/lipoguide/
2017-8-11 15:47:08
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dronist
Captain
United States
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You and your luck dude. You have six month warranty and up to 200 charges. Check on the battery before every flight!
2017-8-11 17:14:27
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DJI Susan
Administrator
China
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The maximum cycle is 200 charges. There will be reminder in APP if the battery went wrong.
2017-8-11 23:22:26
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Bekaru Tree
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DJI Susan Posted at 2017-8-11 23:22
The maximum cycle is 200 charges. There will be reminder in APP if the battery went wrong.

Thats great to know - this is a valuable piece of general guidline information - thank you.

I know you guy have got a lot to do over such a wide product range and support features but perhaps dji could put in a request to yr battery manufacturer to produce a short document covering battery specifications, efficiency and performance graphs under typical conditions.

The lower end of the battery life is especially confusing. Forum members seem often to complain that nearing the last 1/3 of battery life the drop off seems to happen disproportionately quick - this is also my experiance - why would this happen?
2017-8-12 00:19:51
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MARSAN
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Flight distance : 294735
Belgium
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I just checked my five Mavic batteries, all were at 100% charge.
Here are the results:

         Total Capacity    Voltage    Times Charged
         --------------------    -----------    ----------------------
1)               3592            12.84                 43
2)               3674            12.87                 31
3)               3534            12.85                 30
4)               3474            12.85                 30
5)               3764            12.93                   9

The first four batteries are still "teenagers".
You might want to do this check with your batteries as well.
2017-8-12 01:30:21
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Bekaru Tree
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MARSAN Posted at 2017-8-12 01:30
I just checked my five Mavic batteries, all were at 100% charge.
Here are the results:

thanks Marsan - i appreciate u taking the time to share that with me.
Just got back from some flying - first gentle flight since i decided it was time for me to try sport mode some months ago;
I checked each battery after and all parameters as viewed in the app have made me feel better.
Voltage variance is 0.01 across 3 cells on each battery - max temperatures between 44- 49 degrees.
when i viewed this spec in airdata is was a bit worried about the results i was seeing and confused because 2 bits of their data was conflicting.

Also dji susan says life expectancy is 200 cycles - good to know
2017-8-12 05:23:46
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MARSAN
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Belgium
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Bekaru Tree Posted at 2017-8-12 05:23
thanks Marsan - i appreciate u taking the time to share that with me.
Just got back from some flying - first gentle flight since i decided it was time for me to try sport mode some months ago;
I checked each battery after and all parameters as viewed in the app have made me feel better.

But what exactly does "200 cycles" mean?
My oldest batteries aren't even two and a half months old, but look how much the total capacity is down from the initial 3830 mAh capacity.
How much juice will still be in our Mavic batteries after 199 cycles?
5 minutes of flight?
What do we do with our batteries, when they have reached retirement age? Paper weights? Into the trash? Or can they be recycled by DJI?
2017-8-12 06:04:00
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Bekaru Tree
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MARSAN Posted at 2017-8-12 06:04
But what exactly does "200 cycles" mean?
My oldest batteries aren't even two and a half months old, but look how much the total capacity is down from the initial 3830 mAh capacity.
How much juice will still be in our Mavic batteries after 199 cycles?

perhaps dji will tell us what acceptable disposal practice is - i will start a new thread.

I think they mean charging cycles and i think this is not an exact figure but will vary some especially if battery was not properly looked after
2017-8-12 12:58:07
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DJI Thor
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Japan
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MARSAN Posted at 2017-8-12 06:04
But what exactly does "200 cycles" mean?
My oldest batteries aren't even two and a half months old, but look how much the total capacity is down from the initial 3830 mAh capacity.
How much juice will still be in our Mavic batteries after 199 cycles?

Discharging the battery level around by 75% of the total power is counted as one cycle.
For the disposal of the battery, we suggest that please fully discharge the battery and then give it to the designated battery recycling bins. If the battery can not be discharged, please contact to a professional battery recycling company to handle it.
2017-8-12 22:51:50
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MARSAN
Second Officer
Flight distance : 294735
Belgium
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DJI Thor Posted at 2017-8-12 22:51
Discharging the battery level around by 75% of the total power is counted as one cycle.
For the disposal of the battery, we suggest that please fully discharge the battery and then give it to the designated battery recycling bins. If the battery can not be discharged, please contact to a professional battery recycling company to handle it.

Thank you for your helpful reply!
2017-8-13 00:05:15
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MARSAN
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Belgium
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Bekaru Tree Posted at 2017-8-12 12:58
perhaps dji will tell us what acceptable disposal practice is - i will start a new thread.

I think they mean charging cycles and i think this is not an exact figure but will vary some especially if battery was not properly looked after

Yes, of course, I did mean recharging cycles...

OK, see you around the corner in the new thread.
2017-8-13 00:06:19
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Bekaru Tree
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DJI Thor Posted at 2017-8-12 22:51
Discharging the battery level around by 75% of the total power is counted as one cycle.
For the disposal of the battery, we suggest that please fully discharge the battery and then give it to the designated battery recycling bins. If the battery can not be discharged, please contact to a professional battery recycling company to handle it.

Thank you for this answer - 75% is counted as 1 cycle.
2017-8-13 04:16:47
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R&L Aerial
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United States
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Lipo batteries can be charged many times past the expected life expectancy but you will experience shorter and shorter flight times..
2017-8-13 05:27:07
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Bekaru Tree
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Flight distance : 517624
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R&L Aerial  Posted at 2017-8-13 05:27
Lipo batteries can be charged many times past the expected life expectancy but you will experience shorter and shorter flight times..

Thanks - good to know.
2017-8-13 05:26:30
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DJI Thor
Administrator
Japan
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Bekaru Tree Posted at 2017-8-13 04:16
Thank you for this answer - 75% is counted as 1 cycle.

You are welcome.
2017-8-14 01:59:37
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