Have you ever wanted to monitor the charge of your DJI Avata battery ?
Have you ever wanted to automatically stop the charge at any percentage you want for storage ?
(without letting the "smart" DJI battery to charge 100% and then to self discharge to 60%...)

Keep the hand on your battery : it's simple.
Details on my hackaday's project : https://hackaday.io/project/189188-dj...

An ESP32 simply monitors the charging parameters which are sent to an android application written in B4X language.

3D printed parts here : https://www.thingiverse.com/thing:578...

Most of the credits go to Aircuiser. He reversed ingeneered the DUML protocol between smart charger and smart battery. Impressive job done !
See his channel on youtube :    / @aircruiserfpv  
and on hackaday : https://hackaday.io/project/184677-dj...
and the full discussion on discord :   / discord