G.T. Power 150A Watt Meter

SKU: 420-20-118

Availability: In stock

G.T. Power



A watt meter is an invaluable tool for collecting actual data from your power system.  Simple installation in-line between source and load.



  • Safe in setups using less than 60 V and carrying currents up to 150A
  • Backlit display for easy viewing
  • Prevent peak currents damaging battery, motor control, motors, wiring and connectors
  • Verify sufficient operating voltage under load
  • Set cutoff voltages, check battery capacity & health
  • Confirm proper battery charger operation
  • Detect receiver and actual operating current so as to make sure whether a UBEC is needed



  • Operates from 6.5-60V (0V with optional auxiliary battery)
  • Size: 85mm x 42mm x 25mm 
  • Measurement Ranges:
    • 0 - 150A, resolution 0.01A
    • 0 - 60V, resolution 0.01V
    • 0 - 6554W, resolution 0.1W
    • 0 - 65Ah, resolution 0.001Ah
    • 0 - 6554Wh, resolution 0.1Wh

Includes: Watt meter and instructions.


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Can this tell internal resistance
This unit does not provide internal resistance readings.
RCJuice answered on July 6, 2021