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Black step-up cable with USB-A plug and 5.5x2.1mm DC barrel connector, 100cm long

Ruth's sister

Ruth's sister USB C PD QC3.0 to DC 12V 1.5A Step Up Cable 100cm

SKU CH-RQJD-VSQK4

Converts QC 3.0 USB power to 12 V DC at 1.5 A for routers and other 12 V devices using a 100 cm cable with 5.5×2.1 mm plug

  • Powers 12V devices from QC3.0 USB sources up to 18W
  • Delivers 12V at 1.5A max from a compact step-up cable
  • 100cm length gives flexible placement for routers or LED strips
  • 5×2.1mm centre-positive plug fits common 12V equipment
  • Works with standard USB at 5V or QC3.0 input for 12V output

USB-C PD QC3.0 step-up cable

This cable converts a USB-C Power Delivery or Quick Charge 3.0 source into a 12 V DC output through a 5.5×2.1 mm barrel plug. It delivers up to 1.5 A and 18 W maximum, making it suitable for powering 12 V routers, LED strips, small switches or similar low-power devices. The cable is approximately 100 cm long and coloured black.

Compatibility check before ordering

Your USB-C charger or power bank must explicitly support Quick Charge 3.0 or USB Power Delivery at 12 V; a standard 5 V USB port will only pass 5 V through the cable and cannot step up to 12 V. Verify that the target device uses a 5.5 mm outer diameter, 2.1 mm inner diameter barrel jack with centre-positive polarity. Ensure the device draws no more than 1.5 A at 12 V (18 W) to stay within the cable’s rated limit.

Upgrade scenario and limits

This cable replaces a dedicated 12 V wall adapter when you want to run a compatible router, light strip or switch from a portable QC3.0 or PD power bank during outages or mobile use. The jump is worthwhile only if your source already provides 12 V via QC3.0 or PD; it will not work from legacy 5 V-only USB ports. Buyers needing higher current, different barrel sizes or voltage negotiation beyond 12 V should look elsewhere.

Highlights

  • Powers 12V devices from QC3.0 USB sources up to 18W
  • Delivers 12V at 1.5A max from a compact step-up cable
  • 100cm length gives flexible placement for routers or LED strips
  • 5×2.1mm centre-positive plug fits common 12V equipment
  • Works with standard USB at 5V or QC3.0 input for 12V output

Specifications

No published specifications for this item yet.

Questions about this item

Does the cable include a QC3.0 charger or must I buy one separately?

The cable only has a standard USB 2.0 male plug and a 5.5x2.1mm DC connector; a QC3.0 USB charger is not included and must be purchased separately.

The specs list 12 V at 1.5 A maximum — when does that apply versus the 5 V mode?

The 12 V 1.5 A output requires a QC3.0 USB charger; with a standard 5 V USB source the cable passes through 5 V and cannot step up to 12 V.

My router needs 12 V and draws under 18 W — will this cable run it reliably from a QC3.0 power bank?

Yes, the cable delivers up to 12 V 1.5 A (18 W max) from any QC3.0 source, matching routers, LED strips or similar 12 V devices within that power limit.

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