Western Robotics BEC 8,2V 10/15A w/o modifications

BEC data (Manufacturers data)
Voltage: 8,2V
Durable current: 10A
Peak current: 15A

Test components / settings
Logo 800 XXTreme w/o blades
Swash servos: Savox SB 2271 SG
Tail servo: Savox SB 2272 MG
Standard VStabi Blueline
Futaba S-Bus
Pitchpump 100

We can see a voltage drop of approximately 5 V here. The current draw grows up to 15 A. This BEC works well on the fieldas but after our analysis we have some concerns here. The rest voltage is far too low with 3,4 V.