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Blue DC power connector cable with pin 4.5 by 3.0 mm

Ruth's sister

Ruth's sister 4.5x3.0mm DC Power Cable blue Connector with pin

SKU CH-Q54S-B9CBJ

A 4.5 x 3.0 mm DC power connector cable with a centre pin for HP laptop adapters

  • 5 × 3.0 mm tip fits compatible HP laptop adapters
  • Blue connector housing aids quick visual identification
  • Centre pin included for correct polarity connection
  • New cable ready for internal power repairs

Replacement DC cable for HP adapters

This 4.5 mm by 3.0 mm barrel connector with centre pin matches the DC input used on many HP laptop power bricks. It is built as an internal power cable for repairing or extending a damaged charger lead. The blue jacket makes the wire easy to identify inside a crowded chassis or tool kit. Buyers who need a different barrel size or a right-angle plug cannot use this part.

Thermals noise and power draw

The cable carries only the current supplied by the original adapter so it adds no measurable heat or audible noise of its own. Voltage drop across the short length is negligible under normal charging loads. No active cooling or power management is required for this passive component.

Highlights

  • 5 × 3.0 mm tip fits compatible HP laptop adapters
  • Blue connector housing aids quick visual identification
  • Centre pin included for correct polarity connection
  • New cable ready for internal power repairs

Specifications

No published specifications for this item yet.

Questions about this item

How is the 4.5 x 3.0 mm connector installed on the laptop adapter cable?

The blue connector with centre pin plugs directly into the HP laptop adapter's DC jack; the common mistake is forcing it in upside-down, which bends the pin and prevents charging.

What maintenance or replacement will the 4.5 x 3.0 mm DC power cable need over time?

Inspect the cable for fraying near the connector and check the centre pin for bending; replace the cable if the pin is loose or the insulation is damaged to maintain reliable power delivery.

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