Do anyone using here SKYRC iMeter 7-in-1 Multifunction Meter
http://www.helipal.com/skyrc-imeter-7-in-1-multifunction-meter.html
or Turnigy 7 in 1 Megameter
http://www.hobbyking.com/hobbyking/store/__22631__Turnigy_8482_7in1_Mega_Meter_Battery_Checker_Watt_Meter_Servo_Tester.html?
If anyone is using , Kindly put some your reviews here .