battery alerts early

Hello, I have a P2V. It's been a couple of years since I last flew it. I've updated to the latest firmware. I have two batteries and both exhibit the same behavior: I fully the charge the battery, power everything up and take off and hover. When I first take off the battery shows 100% but...

Hi My p2 was at about 20 m and range of about 300m with i turned off receiver to instigate rth . ( phantom mode ) It tried to rise to 30 m ( this is my set height ) however it landed where it was and switched off . I had previously done this and it came back to me . Would this be because...

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...

Battery questions. My P2V+ is 2 years old. I flew it 12 times the first year and twice the second year. Now, once last week (this year). I have two batteries. They have seen equal use, and equal charging (perhaps too much charging). More on that later. My first flight this year I got up...