Since inertia brakes are activated

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Relatively weak braking power: Inertia brakes have relatively weak braking power compared to electric brakes. They may not be strong enough for emergency braking or on large trailers.
Inability to adjust braking force: by the inertia between the trailer and the towing vehicle, the braking force cannot be adjusted or tailored to suit your needs as with electric braking systems.
Electric trailer brakes:
The trailer's electric brakes are implemented by electromagnets powered by electricity, and the trailer's braking force can be adjusted by the controller. This allows the trailer's braking thailand number data force to be adjusted according to different road conditions, vehicle speeds, and loads.



Pros :

Powerful Braking Force: Electric trailer brakes, powered by electricity, provide powerful braking force suitable for medium- and heavy-duty trailers. This includes trailers longer than 16 feet, with load capacities typically ranging from 3,500 to 10,000 pounds, and some heavy-duty trailers capable of hauling loads in excess of 20,000 pounds.
Adjustability: The braking force can be adjusted according to different road conditions, loads, etc.
Cons:

Higher Cost: Electric trailer brakes include electrical components and controllers, so they typically require more installation and maintenance costs.