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USB-A plug to 5.5 x 2.1 mm barrel connector cable, black PVC jacket

Ruth's sister

Ruth's sister USB to 5.5 x 2.1 mm barrel plug international power cord

SKU CH-EADB-CBGB2

Connects a USB port to 5.5 × 2.1 mm barrel devices for 5 V DC power

  • Powers 5 V devices from any USB port
  • Fits 5.5 × 2.1 mm barrel jacks exactly
  • Ready to use straight from the box
  • Compact cable keeps setups tidy

USB-to-barrel power adapter

This cable converts a standard USB port into a 5.5 mm by 2.1 mm barrel connector delivering 5 V DC power. It suits devices such as routers, hubs, LED strips or development boards that accept this specific jack size. The plug polarity follows the common centre-positive arrangement. Builders needing a different barrel diameter or voltage should look elsewhere.

International mains compatibility

The cord terminates in a USB-A plug so it can draw power from any USB charger, power bank or computer port worldwide. No separate AC adapter is required, reducing travel bulk for digital-nomad setups. Users whose gear demands more than 5 V or a locking connector will need a different solution.

How it compares

Measured against everything we stock in Worldwide Power Cords, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 80% of the 1,208 comparable items (median $9.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Will the 5.5 x 2.1 mm barrel connector wear out and need replacement?

The barrel plug is a passive metal connector rated for thousands of insertion cycles; under normal use it rarely fails and does not have a scheduled replacement interval.

What limits continuous operation of the cable when drawing 5 V DC?

The USB source’s current limit and the thin wire gauge inside the cable are the first constraints; sustained loads near the port’s maximum will cause voltage drop and heat.

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