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Mavic 3 Smart Battery Pinout

Ratatoskr

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Hey there,

I found a efficient mobile Charging Solution for my Thermal Drones. I have powerfull Multi-Channel RC-Chargers and big cost-effective Battery Packs with enough capacity for a whole day of flying. For the Mavic 2 EA i have purchased some cheap Chinese Charging Adapters (without Charger), solder a XT60 plug and go flying.

Because I can't find the Adapters for the M3 standalone without charger, I 3d-printed a prototype by myself.
20221201_194505.jpg

I found a description of the Mavic 2 Smart Battery (Link). The Pinout of the Mavic 3 is similar, except 8 instead of 10 Pins.
M2EA: - - - - IO CC + + + +
M3T: - - - IO CC + + +

Can anyone who owns a Hanatora or similar parallel Third-Party-Charger measure, if all 3 positive and negative pins are powered, when charging. Or is only one needet?
This would be very helpful for me.

Happy flying
Ratatoskr
 

waynorth

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Can anyone who owns a Hanatora or similar parallel Third-Party-Charger measure, if all 3 positive and negative pins are powered, when charging. Or is only one needet?
I don't know if it helps, but I have a Yx Intelligent Charger for Mavic 2 batteries, and all 4 positive and negative pins are powered. The same on my Hanatora, all 4 pins powered. So it is likely it's the same with the Mavic 3 battery.
 
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Ratatoskr

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I've successfull build a working Charging Adapter for M3-Batterys. I wired up all 6 Negative/Positive Poles

20221203_131832.jpg
Now I can charge every battery independently with various currents up to the DJI approved max of 88W (=5A / 1C) and have a Storage program to charge directly to 60%.

Next I will build a Charging Crandle for my big 4Ch Chargers
 
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Ratatoskr

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I made some improvements for better stability and fit to my first Single-Connector and it still working fine.

The 4Ch Charging station is also ready to print:
M3T-Charging-Station.png

I will build a first prototype in the next days.
 
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