battery capacity

Hi everyone, I fly my drone maybe twice a week as I am in school and have to devote my time to my studies but love to fly the P4 when I have the time. I am concerned about charging the battery as I am under the impression that the P4 battery has a 'life' to it almost where it sort of learns to...

I am interested in doing a DIY battery project to improve the margin of flight safety. I have seen reports of "P3 dropped from the sky" in which an analysis showed the battery voltage dropped dangerously low (close to 3 volts) while the capacity display showed enough energy for a safe landing...