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Short braided cable with a DC barrel connector and a USB-C plug

Vszerda

Vszerda DC 7.9x5.4mm to USB-C 100W Braided Cable 18cm

SKU CH-QFVZ-SF39G

Converts a 7.9x5.4 mm DC barrel jack to USB-C for up to 100 W charging with braided 18 cm cable

  • Cable length18 cm
  • Connector count1
  • Overall length18 cm
  • Details18, centimeters, UC-139-7954MM-XY, xiwai, Laptop
  • Key featuresLaptop
  • Delivers up to 100W power from DC 15V-20V input
  • Braided jacket resists tangles and withstands daily wear
  • Compact 18cm length fits easily in bags or pockets
  • Works with USB-C laptops supporting 5V, 9V or 20V PD
  • Supports QC2.0, QC3.0, FCP, AFC, SCP and USB PD protocols

DC 7.9×5.4 mm to USB-C power cable

This 18 cm braided adapter converts a 7.9 mm by 5.4 mm barrel jack into a USB-C power input. It accepts 15 V to 20 V DC and delivers up to 100 W at 20 V 5 A. The short length keeps a laptop power brick tidy on a desk or in a bag. Plug-and-play operation requires no drivers.

Sustained 100 W delivery with braided protection

The woven sleeve resists tangling and abrasion during daily carry. When paired with a 100 W source the cable maintains 20 V 5 A continuously for charging while the device is in use. Supported profiles include 5 V 1.5 A, 9 V 1.5 A and 20 V 5 A. No active cooling or throttling is mentioned.

Replaces a lost or bulky proprietary charger tip

Users with a compatible barrel-output supply can power modern USB-C laptops, tablets or phones without the original brick. The jump is worthwhile when the existing adapter already provides 15 V to 20 V at sufficient current. It does not suit devices that need a different barrel size or voltages outside the 15 V to 20 V range.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $12.99
Cheaper than about 70% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameXiwai
Model nameUC-139-7954MM-XY
Ports & slots
Connector count1
Size & build
Cable length18 cm
Overall length18 cm

Questions about this item

Does the 18 cm braided cable get warm when delivering 100 W continuously?

The cable is rated for up to 100 W at 20 V / 5 A, and the woven braid sleeve is designed for rugged, long-term durability under load.

What power source must I already have to use this DC 7.9×5.4 mm to USB-C cable?

You need a DC power supply that outputs 15 V to 20 V with a 7.9 mm outer / 5.4 mm inner barrel plug.

Will this cable charge a 2018 MacBook Pro that only accepts 20 V over USB-C?

Yes — the cable negotiates 5 V / 1.5 A, 9 V / 1.5 A or 20 V / 5 A, matching the 20 V requirement of that MacBook Pro.

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