How can we prove that Battery Mangement system increase the efficiency of a drone battery? If we have to compare with BMS and Without BMS how can we tell the flight time of drone battery or consumption change
I do not expect any difference in efficiency for pristine batteries. You will need to investigate the difference of batteries with and without BMS over many cycles. The BMS will keep performance of the different cells closely matched, without BMS they can deviate, and the weakest link will dictate the performance. If this is significant enough for the flight time of drones will have to be based on the result of testing your batteries for many cycles to compare BMS and no BMS based batteries