from what i've watched here over the last year, it's photohigher, zenmeuse or nothing.
I've got a 4 kilo xy8 with av100, nex5, 8-10ah and i'm flying 40-120 amp draw, 7-8 minutes is the norm,,,,,, most the flight is 45-50 mph. if all i did was hover and slow drift over stuff my flight times...