RE: What Would You Do?...rx & tx question.
Bad batteries are probably the number two cause of crashes. Right behind the brain thumb interface. I change them out every three to four years. I run a123 packs now exclusively. When I ran Nicads I did have quite a few that would still cycle well and took a chance one spring Guess what. One failed and put 2k of plane in the swamp. Two packs and two switches go on any plane I really like.