failed

I have 2 Solos and 5 batteries... 1 Solo and 4 Batteries are just under 1 and a half years old. 2 of them crash almost immediately cant do more than maybe 2.5 minutes of video and I better be landing super fast or I'm falling out of the sky. WTF? The other 3, 2 of which last about 10 minutes if...

Hi. I am very new to 3DR gear having flown a number of different systems commercially in the UK over the last 3 years. I have received a 3DR Solo for a training client and they have asked me to set it up, but I am having a very frustrating time. I have searched the forum and found similar things...