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Black USB-C to barrel cable with 7.4mm plug

Fervit

Fervit USB-C 100W 20V to DC 7.4*5.0mm 65W PD Cable

SKU CH-EG42-HZHZ7

Converts a USB-C PD or QC charger into a 20 V DC supply for laptops with a 7.4 mm × 5.0 mm barrel jack

  • Charges laptops via USB-C using built-in 100W PD trigger
  • Delivers up to 65W through 7.4×5.0 mm DC connector
  • Works with QC 2.0, QC 3.0 and USB PD chargers
  • Requires Type-C charger rated above the DC output
  • Fixed 20 V output matches compatible laptop power needs

Fervit USB-C PD trigger cable

This cable converts a USB-C Power Delivery charger into a DC barrel output for laptops that use a 7.4 by 5.0 mm jack. It contains a built-in trigger chip that requests 20 V at up to 5 A from a compatible 100 W or 65 W Type-C source. The assembly is intended for users who want to replace a proprietary brick with a single high-power USB-C supply.

Check your laptop jack and charger rating

Verify that the device requires a 7.4 by 5.0 mm centre-positive connector before ordering. The Type-C charger must be rated higher than the 65 W DC output you intend to draw, so a 100 W PD adapter is needed for full 100 W operation. The cable supports QC 2.0, QC 3.0 and USB PD negotiation but will not work with chargers that lack these protocols.

Sustained 65 W or 100 W delivery with adequate

When paired with a 100 W PD charger the cable can maintain 20 V at 5 A continuously, limited only by the charger's thermal design. With a 65 W PD source the output settles at the corresponding lower current without voltage droop. The trigger IC re-negotiates automatically if the source temporarily reduces power, keeping the laptop supplied rather than dropping the connection.

How it compares

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

Price $16.99
Pricier than about 60% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameFervit

Questions about this item

What comes in the box and do I need a separate charger?

The cable itself is included; you must supply a USB-C charger rated at 65 W or 100 W with PD or QC 2.0/3.0 support to deliver power.

Should I use this with a 65 W or a 100 W USB-C charger?

Both work — the cable negotiates up to 20 V 5 A, so a 100 W charger gives the full 100 W maximum while a 65 W charger will deliver up to 65 W.

What does the 100 W rating mean when I plug it into my laptop?

It means the cable can pass 20 V at 5 A from a compatible 100 W USB-C charger to a laptop that accepts a 7.4 × 5.0 mm DC jack, provided the charger exceeds the laptop's draw.

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