I had one with Rebel crashing during a auto land because of a bad cell in a battery but was covered .
Went from 10% to 1% real fast . Just hit 1% at 40' up so ya know what happened then .
90% of my flight's are up in the hill's out and back trying different set ups .
Now Mia 3 should really be Mia 6 as far as crash's but I do fly em like I stole em .