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Short braided cable with a 5.5 by 2.1 mm barrel plug on one end and a USB-C connector on the other

Vszerda

Vszerda DC Jack 5.5×2.1 mm to USB-C 100 W 18 cm Braided Cable

SKU CH-V322-GTVGR

An 18 cm braided cable converts a 5.5 × 2.1 mm DC jack into a USB-C port delivering up to 100 W at 20 V / 5 A for laptops and phones

  • Cable length18 cm
  • Connector count1
  • Overall length18 cm
  • Details18, centimeters, UC-139-5521MM-XY, xiwai, Laptop
  • Key featuresLaptop
  • Delivers up to 100 W charging from a 15 V–20 V DC source
  • Braided sleeve resists tangles and wear for long-term durability
  • 18 cm compact length makes it easy to carry and store
  • Works with laptops and phones that accept 5 V, 9 V or 20 V USB-C PD
  • Supports QC 2.0, QC 3.0, FCP, AFC, SCP and other fast-charge protocols

Power bridge for USB-C laptops

This cable converts a 5.5×2.1 mm DC barrel jack into a USB-C power input, letting you run compatible laptops and tablets from an existing 100 W adapter. It targets users who want a single charger for barrel-jack and USB-C devices without carrying two bricks.

18 cm braided link with 100 W headroom

The 18 cm braided cable supports up to 20 V at 5 A when fed by a 15–20 V source capable of 100 W, and also passes 5 V at 1.5 A and 9 V at 1.5 A for smaller devices. Length and fixed voltage steps mean it cannot negotiate intermediate levels or exceed the 100 W ceiling.

Replaces a dedicated USB-C charger

It upgrades a barrel-jack power supply into a USB-C source for MacBook Pro 2018–2020, XPS, Chromebook and other 20 V/9 V/5 V PD devices. Buyers whose laptops need more than 100 W, or whose barrel adapter tops out below 15 V, will not gain usable power from this cable.

How it compares

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

Price $14.99
Typical for this category: the median of 15,227 items is $14.99.

Specifications

Product
Brand nameXiwai
Model nameUC-139-5521MM-XY
Ports & slots
Connector count1
Size & build
Cable length18 cm
Overall length18 cm

Questions about this item

Will the 5.5 mm by 2.1 mm DC jack on this 18 cm cable fit the barrel connector on my older 65 W laptop charger?

The cable accepts a DC input of 15 V to 20 V, so it will work with a 65 W charger that delivers 20 V within that range and uses a 5.5 mm by 2.1 mm plug.

How can I confirm the cable is delivering the negotiated 20 V 5 A profile after I plug it in?

Check the charging indicator on your USB-C device; it should show a 100 W or 20 V 5 A rate when the source and device both support that PD profile.

Does the package include a DC power adapter or only the braided USB-C to DC jack cable?

Only the 18 cm braided cable with a 5.5 mm by 2.1 mm DC jack on one end and a USB-C plug on the other is supplied; a compatible DC power source must be provided separately.

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