DennisCW
Tesla Model Y ModsFebruary 28, 20263 min read

Joaha's 3-in-1 Trunk LED & USB-C Charger: The Ultimate Upgrade for Your Tesla Model Y

Joaha's 3-in-1 Trunk LED & USB-C Charger: The Ultimate Upgrade for Your Tesla Model Y featured image
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Joaha's 3-in-1 Trunk LED & USB-C Charger: The Ultimate Upgrade for Your Tesla Model Y

Hey everyone, DennisCW here! If you're like me and own a Tesla Model Y Performance, you know the struggle: not enough USB-C ports. Joaha just dropped this game-changing 3-in-1 Trunk LED Lighting Car Charger that not only lights up your trunk like never before but also adds two extra USB-C ports via the cigarette lighter. It's functional, smart, and takes trunk mods to the next level. I unboxed it, installed it, and tested it—let's dive in!

Unboxing the Joaha Trunk LED Kit

The packaging is sleek and premium, screaming quality. Inside, you'll find:

  • The LED light strip for even trunk illumination
  • A controller with brightness adjustment
  • Cigarette lighter adapter with two USB-C ports
  • Velcro straps and adhesive for tidy cable management
  • A magnetic sensor for auto on/off

Unlike cheaper alternatives that stay on while driving (annoying!), this one powers through the rear cigarette lighter and turns off automatically when the trunk closes. Plus, it emits a warm, inviting light—way better than harsh cool tones.

Joaha unboxing

Key Features That Make It Stand Out

  • Warm LED Lighting: Adjustable brightness via the controller—perfect for loading gear at night.
  • Auto On/Off: Magnetic plate on the trunk latch detects closure and shuts off the light.
  • Extra USB-C Ports: Two fast-charging ports powered by the cigarette lighter.
  • Easy Install: No drilling, plug-and-play with Velcro and cable routing.
  • Compatible with Model Y: Works seamlessly, even with trunk mats or sunshades.

I've tried similar kits, but Joaha nailed the details—like the Velcro-backed controller for custom placement.

Step-by-Step Installation Guide

This was a breeze—even for DIY newbies. Here's how I did it on my Model Y Performance:

  1. Prep the Power: Plug the USB-C cable into the controller, then into the rear cigarette lighter.
  2. Mount the Controller: Stick it via Velcro wherever convenient (I placed mine near the trunk edge).
  3. Install the Magnetic Sensor:
    • Attach the sensor to its holder.
    • Adjust trunk bump stops counterclockwise to reduce travel.
    • Secure it on the latch area—test closure to ensure it detects properly.
  4. Route the Cables: Lift the rubber grommet at the trunk hinge, slide wires through, and tuck under the trunk mat.
  5. Mount the LED Strip: Run it along the trunk edge for full coverage.
  6. Test It: Open trunk—light on! Close—light off. Adjust brightness as needed.

Pro Tip: If you have a trunk mat or sunshade, lift it slightly for clean routing. The whole process took under 15 minutes.

Installation steps

Real-World Testing & Impressions

It's super bright yet dimmable, flooding the trunk with warm light—ideal for camping trips or grocery hauls. The auto-off feature is genius; no draining battery while driving. With the added USB-C ports, charging devices in the back is effortless.

One minor hiccup: Fine-tuning the bump stops for sensor placement, but it's a one-time fix.

Final Thoughts & Where to Get It

This is a must-have mod for any Model Y owner. Joaha thought of everything—functionality, convenience, and smarts. Head to Joaha's site and use promo code Dennis to save!

If you install it, drop a comment below or tag me on socials. What's your next Tesla upgrade?

Thanks for reading—subscribe to my YouTube for more Tesla reviews!

-DennisCW

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