I was able to read the values from the DJI battery pack (Spark), but the Manufacturer Data and Manufacturer Info fields are garbled (or are not simple text):
Manufacturer Data: a2
fghijklmnopqrstuvwzxy0123
Manufacturer Info: a2
fghijklmnopqrstuvwzxy0123
I would also like to be able to write to the Cycle Count, and possibly the Battery Status fields.
Has anyone gotten writing to the DJI battery pack to work?