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Short black cable with a barrel jack on one end and a USB-C port on the other

eForChina

eForChina DC 5.5 x 2.1mm to USB-C Female Power Adapter 30cm Cable

SKU CH-7BZK-VR92X

Converts a 5.5 x 2.1 mm DC jack to a USB-C female port with a 30 cm cable, supporting up to 45 W across 5 V to 20 V profiles

  • Changer TypePower Adapter
  • Powers devices up to 45W from barrel-jack sources
  • Supports 5V, 9V, 12V, 15V and 20V USB-C profiles
  • 30cm cable keeps connections tidy and flexible
  • Compact design fits in any bag or pocket
  • Works immediately with no drivers or setup required

Portable Power Conversion

The eForChina adapter converts a 5.5 x 2.1 mm DC barrel jack into a USB-C female port using a 30 cm cable. It suits users who need to power USB-C devices from existing DC power sources without installing new mains equipment.

Compact Plug-and-Play Build

The small form factor makes the unit easy to carry in a tool bag or laptop sleeve. A direct plug-and-play connection requires no drivers or configuration, so the adapter is ready for immediate use in bench testing, field repairs or temporary setups.

45 W Passive Operation

The adapter supports power profiles of 5 V/3 A, 9 V/3 A, 12 V/2 A, 15 V/2 A and 20 V/2.25 A up to 45 W. With no active cooling, it runs silently and draws only the power needed by the attached device during normal operation.

Highlights

  • Powers devices up to 45W from barrel-jack sources
  • Supports 5V, 9V, 12V, 15V and 20V USB-C profiles
  • 30cm cable keeps connections tidy and flexible
  • Compact design fits in any bag or pocket
  • Works immediately with no drivers or setup required

Specifications

Changer TypePower Adapter

Questions about this item

What USB-C power profiles does the 5.5 x 2.1 mm jack support?

The adapter passes 5 V at 3 A, 9 V at 3 A, 12 V at 2 A, 15 V at 2 A and 20 V at 2.25 A, up to 45 W total.

How long is the cable and what clearance does the barrel connector need?

The cable is 30 cm long; the barrel plug measures 5.5 mm outer diameter by 2.1 mm inner diameter.

Does the adapter need drivers or configuration before use?

No, it is plug and play — connect the barrel jack to your power source and the USB-C end to the device.

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