hi guys i find the freefly products very interesting and i am thinking of purchasing a second hand m10 and now: 1.Whats the weight of the m10 with battery but without handles? 2.Whats the battery life of the M10 lets say with a 3 kg payload? 3.Can the normal M10 be fliped upside because i have a custom copter with skiview? 4.Whats the size off the battery craddle?