Wireless Charger Case for USB C Unit

Case for the USB C variant wireless charger found on AliExpress
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updated January 3, 2025

Description

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I went ahead and modified the original design to now fit the USB C variant of the wireless charger found here on AliExpress

When testing the 15W coils with an inline meter to the charger's input I found that the device drew ~12W max with a Samsung Note 20 Ultra.  I mostly went with this charger size for my earbuds though and they only drew about ~2W from the wall.

I used some 30-minute epoxy to glue down the wireless logo, it's a little time-consuming not to get the glue on the rest of the surface but using a toothpick helps with this process.

For the heat set inserts, I used some extras I had from my Voron builds but you can get them from most places. Here's a vendor I would recommend for within the US - Fabreeko

Also, a regular soldering iron set just above the printing temperature for the material used for installing the inserts should work fine.

Model origin

The author remixed this model.

Differences of the remix compared to the original

Parts modified include,

  • Changed from a magnet enclosure to a screw on top.  The parts used are listed below.

           - 2x M3 heat set inserts

           - 2x M3x10mm Flat Head Screws

  • Increased the overall size of the device by 2mm to better accommodate the heat set inserts
  • Opened up the hole in the side for the USB cord to be centered and fit most sizes of   USB C cords
  • Added a spacer that when glued to the PCB gives the coil something flat to adhere to
  • Added a wireless charging logo to the top cover just for looks mostly

License