It's your rig so of course you can do whatever you want, but In the 5 years I've been driving mine I've never felt the need for anything more than my truck's brakes.

I'm pulling mine behind a 2001 Chevy S-10 with over 300K miles on it and have never had any problems stopping. Mind you, I do follow the handbook instructions and keep it at 55 mph or below, but that said, it's such a light rig that the truck brakes have no problem with it. It's light enough that I can push it around on grass by my self.

Maybe you could borrow a trailer with a similar weight and give it a workout in a parking lot to see if you actually want to add the brakes. If you're used to a 10 ton trailer, you'll be impressed by the nothingness of 400 lbs.

Laszlo

   Most of those EV 's use charging when the brakes are applied. Trailer braking would lessen the braking of the vehicle and lessen the charging effect. 

In  Florida brakes are required on trailers weighing 3,000 pounds or more.  I suspect the Teardrop does not weight that much nor take a load that would gross it out over 3K#

Boat trailers that have brakes mostly use surge brakes. They don't corrode/fail  in water as fast.  But they are a pain and require a five pin trailer plug so back up lights keep it from working so it can be backed. (or a 1/2" bolt)

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