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Small black adapter with USB-C socket and right-angled DC plug

Fervit

Fervit USB 3.1 Type-C Female to DC 12V 4.0x1.7mm 90° Adapter

SKU CH-CV7V-SE3SD

Converts a USB-C PD charger into a 12 V 4.0×1.7 mm barrel supply for laptops with a 90° angled plug

  • Charges 12V laptops from 65W PD chargers
  • 90° angled plug reduces strain on ports
  • USB 3.1 Type-C female input accepts PD power
  • Fixed 12V output — no 5V/9V/15V/20V
  • 0×1.7mm DC barrel fits compatible devices

Purpose and compatibility

This Fervit adapter converts a USB-C power-delivery source into a 12 V DC barrel output for laptops that use a 4.0 mm by 1.7 mm jack. It is intended for owners of compatible notebooks who want to replace a proprietary brick with a standard 65 W USB-C charger. Buyers whose devices require 5 V, 9 V, 15 V or 20 V output cannot use this unit.

Sustained-load behaviour

The built-in PD trigger negotiates a fixed 12 V rail from the charger and maintains that voltage continuously while the laptop draws power. Because the adapter passes only the negotiated 12 V level, it does not cycle through other PDO voltages during extended sessions, so connected devices see a stable supply as long as the charger honours its 65 W rating.

Installation notes

Plug the 90-degree DC barrel into the laptop first, then connect the USB-C charger to the female port; the angled plug reduces strain on the laptop jack in tight spaces. The adapter only works with chargers that support the required PD profile, so a basic 5 V-only USB-C supply will not activate the 12 V output. No drivers or configuration are needed.

How it compares

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

Price $17.99
Pricier than about 70% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameFervit

Questions about this item

Does the adapter itself get warm when powering a laptop all day from a 65W charger?

The adapter contains only a PD trigger circuit and a passive DC plug; it has no active components that generate noticeable heat during continuous use.

What charger must I already own for this adapter to deliver 12V to my laptop?

You need a USB-C charger that supports 65W Power Delivery; the adapter requests 12V from that charger and passes it to the 4.0x1.7mm DC plug.

Will this work with an older laptop that only accepts a 4.0x1.7mm 12V barrel jack?

Yes, the 90° DC male plug fits a 4.0x1.7mm 12V barrel jack, letting you power that laptop from a modern 65W USB-C PD charger.

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