Cell replacement battery rebuild for the Mavic . After a lot of research on forums and RU-vid, there wasn't a lot of information that I could find of people that have rebuilt a M2 battery and verified it. It was all just hearsay with no evidence and of course the back and forth comments with no actual evidence. In this experimental video I investigated the possibility of changing the cells in the battery.
You may think this is just a simple cell replacement, but DJI's BMS can be bricked. By bricked it becomes inoperable. I spent hours and sacrificed 2 batteries (because I bricked the first one) to find out what not to do. Than developed a logical way to successfully replace the cells which is when I tore up the second battery to make this video as evidence.
These batteries are expensive and most are reaching over 2 years since production, while many have had good run and are still running. There are allot more that have had them swell due to cell decomposition and gas expanding the cells. This is dangerous because they can pop off the drone in flight and you can lose your drone or damage property or hurt people.
In this experiment I did 2 things.
1. Save money, the new battery cells x4 are 20€+shipping = 30€. A new battery costs around 130€. Most of you watching would have your batteries sitting idle and out of warranty so you're at a loss like me.
2. Prove that it is possible without fancy and expensive reprogramming.
I purchased the cells here : fr.aliexpress....
I am not affiliated nor do I get any kickbacks. Just sharing because Im caring.
So this is #1 method that works without any software flashing etc. I still would like to experiment more but I do not have any more spare M2 batteries to work with. So i'm open to donations of old M2 batteries that are bloated or have bad cells haha.
Also if anyone knows where I can buy empty M2 battery shells, that would be awesome to actually make a refurbished battery.
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26 авг 2024