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ToolkitRC WM150 150A 50V Watt Meter Power Analyzer LCD Display Voltage Current Tester PWM Output for Drone Quadcopter MultiRotor


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ToolkitRC WM150 150A 50V Watt Meter Power Analyzer LCD Display Power Voltage Current Tester PWM Output for RC FPV Drone


Brand: ToolkitRC

Item: WM150 Watt Meter

Input Voltage: 1-50V

Current(Max): 150A (precision:10mA)

USB: 5.0V@1A ( USB3.0 firmware update)

Output: PWM 1000-2000us@50Hz

Display: TFT 2.4" LCD Screen(320*240 resolution)

Product Size: 80*54*23mm Approx.

Packing Size: 87*87*28mm Approx.

Net Weight(Approx): 120g

Gross Weight(Approx): 140g

Using Steps:

① Connect 1-50V power supply, when the voltage is lower than 6V, need to use USB 5V to provide power;

② After power-on, the LCD screen displays the logo and continues 2 seconds, with the starting music;

③ Adjust the button if the data in the displaying screen are not in minimum data position.


- ToolkitRC WM150 is a Watt Meter, which is capable to test voltage, power, current data of the electric equipment, like servo, ESC, battery, etc.

- 1-50V power supply, the max current is up to 150A, the precision is accurate  to 10mA.

- Support PWM signal, 1us precision, the pulse width is changable by adjusting the button.

- Automaticly to change the unit of the capacity, when it is lower than 1A, the unit-display is MA, when it is higher than 1A, the unit-dispaly is changed to A.

- The watt meter is also supporting to display working hours.

- USB firmware update, easy to operate.



1* ToolkitRC WM150 Watt Meter

1* USB Wire

1* Manual