Thingiverse
Thinkpad USB-C charge port conversion
by mike_new
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This is a mod to convert a t450 to use USB-C charging rather than the square-port proprietary lenovo charger. This bracket mounts the port into the laptop.
Here's the basic outline of how to do the mod:
* Buy the little chip/usb port thingy. Search for "Super Mini ZYPDS DC mini 20V trigger support millet 65W PD power supply" on ebay. I paid around $3 and they shipped me two of them.
* You'll need a 285 ohm resistor. I ended up using a 270 ohm because it's what I had, and it works fine.
* Open up the laptop, unscrew the little metal bracket holding down the existing charge port, and cut off the wiring next to the port. If you're worried about killing your laptop you could just order another port/wiring connector thing and work with that.
* You should be left with 5 wires: 2 red, 2 black, and 1 white.
* Solder the 2 red wires to the + side of the usb connector chip. Solder the 2 black ones to the - side. Solder the resistor to the white wire and then to the - side of the us
Here's the basic outline of how to do the mod:
* Buy the little chip/usb port thingy. Search for "Super Mini ZYPDS DC mini 20V trigger support millet 65W PD power supply" on ebay. I paid around $3 and they shipped me two of them.
* You'll need a 285 ohm resistor. I ended up using a 270 ohm because it's what I had, and it works fine.
* Open up the laptop, unscrew the little metal bracket holding down the existing charge port, and cut off the wiring next to the port. If you're worried about killing your laptop you could just order another port/wiring connector thing and work with that.
* You should be left with 5 wires: 2 red, 2 black, and 1 white.
* Solder the 2 red wires to the + side of the usb connector chip. Solder the 2 black ones to the - side. Solder the resistor to the white wire and then to the - side of the us
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