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Small black adapter with a 5.5 by 2.1 mm barrel jack on one end and a USB-C plug on the other

Fervit

Fervit DC 5.5*2.1mm to USB-C PD 45W Adapter

SKU CH-VR27-2S143

Converts a 5.5×2.1 mm DC barrel jack into a USB-C PD port delivering up to 45 W for laptops, tablets and phones

  • Charges 45 W devices from DC barrel sources
  • Accepts wide 10.5 V to 32 V input range
  • Delivers 5 V, 9 V, 12 V, 15 V and 20 V PD profiles
  • Fits standard 5.5 mm × 2.1 mm barrel jacks
  • Supports QC 2.0, QC 3.0 and multiple fast-charge protocols

DC 5.5*2.1mm to USB-C PD Adapter

This adapter converts a 5.5*2.1mm DC barrel jack into a USB-C Power Delivery output. It accepts an input range of 10.5V to 32V and delivers up to 45W maximum power. The unit supports multiple fast-charge protocols including PD, QC 2.0, QC 3.0, DCP, PE+ 1.1, PE 2.0, FCP, AFC, SFCP and SCP.

Suitable for 45W USB-C devices

It powers 45W laptops such as MacBook models, tablets and phones that charge via USB-C PD. The adapter negotiates voltages of 5V, 9V, 12V, 15V and 20V at up to 2.25A. Users needing more than 45W or a different DC plug size should look at other options.

45W maximum output limit

The single specification that decides fit is the 45W maximum output rating. A source capable of at least 45W is required to reach full adapter performance. Devices demanding higher wattage will not charge at their rated speed with this unit.

How it compares

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

Price $15.99
Pricier than about 55% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameFervit

Questions about this item

What USB Power Delivery voltages and currents does the 45 W adapter provide?

The adapter negotiates 5 V at 2 A, 9 V at 3 A, 12 V at 2 A, 15 V at 2 A and 20 V at 2.25 A over USB-C PD.

What is the barrel-plug size required on the DC power source?

The input jack accepts a 5.5 mm outer diameter by 2.1 mm inner diameter barrel connector.

How do I connect the adapter so it actually delivers power?

Plug the DC barrel plug into your power supply first, then connect the USB-C cable to the device; reversing the order can prevent PD negotiation.

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