My two month old Mavic Air fly more combo already have two batteries with Cell Deviation warnings in the log viewer and yesterday one of the batteries fell from 30%  to 0% and made a emergency landing in high grass on a test flight with a cell deviation of 1,9 volt the end. The battery has only been charged ten times. Lucky me that it didn’t happened earlier the same day I had flown over a small pond taking pictures.

So I checked out my other flights in the log viewer and found that a second battery have cell deviation to.


Maybe this is the explanation that the many Mavic Air crashes or am I just unlucky.

  

I has 2 defected MA combo batteries to. They landed drone on 14%. They has 25 charges only. DJI replace them.

I have 4 MA batteries flying close to 100 times in total. Each battery charged over 20 times and not seeing any problem.

Did you fly too hard till the battery empty or temperature too high?

GDL Posted at 2018-8-23 00:47
I have 4 MA batteries flying close to 100 times in total. Each battery charged over 20 times and not seeing any problem.

Did you fly too hard till the battery empty or temperature too high?

Hello GDL
Thanks for your reply. Not sure what you mean by flying to hard, I havent used Sportmode if that whats flying to hard is, and most of the time i  land with more than 30% power left.

Henrijs Posted at 2018-8-22 21:38
I has 2 defected MA combo batteries to. They landed drone on 14%. They has 25 charges only. DJI replace them.

Hello Henrijs
Thanks for your reply.

I got got some great tips in another forum. And I got a new battery from DJI, the second batteri I discharged to 7% and then charged it full again, seems to work now.

Now I always check every flightlog on Airdata to discover eventual cell deviation in a early stage.

Update: I have now got all three batteries replaced by DJI and the new ones including the two batteries I purchased new show only normal cell deviation.

Hi just activate my brand new drone yesterday and done full charge. I just found one cell of my battery has 0.13v deviation. In test flight no any errors.