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Betterweigh Mobile Towing Scale With Towsense Technology (OBD-II) #51701

CURT Betterweigh Mobile Towing Scale With Towsense Technology (OBD-II) #51701


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BetterWeigh™ wirelessly links to your smartphone to display real-time vehicle and trailer weights. It easily plugs into any standard vehicle diagnostic port (OBD-II) under the steering wheel, and uses Bluetooth to connect to your Apple or Android phone. It then sends a live readout of all weights related to towing and hauling, including the gross weight of your vehicle and trailer, cargo, payload, tongue weight, pin weight and weight distribution. This streamlines the towing setup process for any vehicle-trailer combination and promotes maximum safety on the road. The compact, portable design also allows for easy transfer from one vehicle to another.


  • Measures real-time vehicle-trailer weights for safer, easier towing and hauling
  • Bluetooth connection provides active readouts on the driver's smartphone
  • No-install, plug-and-play setup into vehicle diagnostic port (OBD-II) below the dash
  • Weighs vehicle, trailer, cargo, tongue and pin weight and weight distribution
  • Accurate within + / - 5%
  • Offers easy brake controller setup by measuring exact trailer brake gain needed
  • Wireless, compact, portable design
  • Downloadable app available for Apple iOS and Android OS
  • Limited lifetime warranty


  • Functionality on manual transmission vehicles limited to payload, tongue weight, pin weight and weight distribution
  • Vehicles with auto-leveling suspension will have limited functionality
  • Not intended for weight certification


Shipping Weight 0.5 LB
Product Weight 0.1 LB
Material Plastic
Warranty Limited Lifetime 
Finish Black Plastic



Angel vs. Devil | Why Use the BetterWeigh™ Mobile Towing Scale?

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