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Small black adapter with a 4.8 by 1.7 mm DC plug on one end and a right-angled USB-C connector on the other

Fervit

Fervit DC Jack 4.8x1.7mm to USB-C 90° 65W Power Adapter

SKU CH-4HKJ-F7Q8Y

Converts a 4.8×1.7 mm DC jack into a USB-C PD port delivering up to 65 W with a 90° angled plug for tight spaces

  • Delivers up to 65W via USB-C PD
  • Accepts 18-20V DC barrel input
  • 90-degree plug fits tight spaces
  • Compatible with 4.8x1.7mm jack laptops
  • Supports multiple fast-charge protocols including QC 3.0

Power adapter for DC-barrel laptops

The Fervit adapter converts a 4.8 mm by 1.7 mm DC jack into a USB-C power source delivering up to 65 W. It accepts 18 V to 20 V input and supplies 5 V at 2 A, 9 V at 3 A, 15 V at 2 A or 20 V at 3.25 A. The right-angle plug fits tight spaces around the port. It suits owners of compatible laptops, tablets or phones that charge via USB-C Power Delivery.

Sustained 65 W delivery through multiple profiles

The unit maintains its maximum 65 W output across the supported PD and legacy quick-charge profiles including QC 2.0, QC 3.0, FCP, AFC, SCP and PE 2.0. Voltage steps of 5 V, 9 V, 15 V and 20 V are negotiated automatically with the connected device. Continuous operation stays within the specified 18 V to 20 V input window without throttling.

Cool running with minimal noise

Passive components handle the conversion so no fan noise is produced. The compact angled housing dissipates heat through its surface during normal 65 W loads. Power draw at the DC input matches the negotiated output plus conversion losses, staying within the 18 V to 20 V range. No active cooling is required.

Highlights

  • Delivers up to 65W via USB-C PD
  • Accepts 18-20V DC barrel input
  • 90-degree plug fits tight spaces
  • Compatible with 4.8x1.7mm jack laptops
  • Supports multiple fast-charge protocols including QC 3.0

Specifications

BrandFervit

Questions about this item

Does the 90° USB-C plug stay cool during continuous 65W charging?

The adapter supports 65W max output at 20V/3.25A and draws 18-20V DC input, so sustained full-load operation is within its rated design.

What DC power source must I already have to use this adapter?

You need a DC barrel supply that delivers 18-20V and fits a 4.8x1.7mm female jack.

Will it charge an older laptop that only accepts 15V/2A over USB-C?

Yes — the adapter negotiates 5V/2A, 9V/3A, 15V/2A or 20V/3.25A, so a 15V/2A device will draw its required profile.

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