TURNIGY Watt Meter
The TURNIGY watt meter is a very accurate R/C amp/watt meter.
Predict model airplane flight time with any given propeller.
Ensure peak currents are safe for motor, ESC, wiring and connectors
Check battery health and performance.
Evaluate R/C battery charging efficiency.
Choose the best propeller or gearing and the most efficient motor
Check for wiring and connector power losses
Measure power and energy consumption of ANY device with a battery