Wiring them in serie means that I have to connect "Batt1 -" with "Batt2 +"?
Than I'll connect "Batt1 +" and "Batt 2 -" to the MMM?
But will I need an external BEC in this case (like the diagram I attached)?
Sorry but I want to be 100% sure of what I'm doing to avoid frying the ESC!!!
