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Black USB-C to 7.9 x 5.5mm barrel power cable, 1.5m long, 4mm thick wire

eForChina

eForChina USB-C to 7.9 x 5.5mm Power Adapter Cable 1.5m

SKU CH-NZ00-Z61SK

Converts a USB-C power source to a 7.9 x 5.5 mm laptop input with a 1.5 m cable for charging only

  • Adapter typePower Adapter
  • Charges laptops via USB-C with 7.9x5.5mm tip
  • 5 m cable gives flexible desk placement
  • 4 mm wire diameter handles charging current
  • Plug-and-play design needs no drivers or setup
  • Compact build fits easily in a laptop bag

What it is and who it serves

This cable converts a USB-C power source to a 7.9 x 5.5 mm barrel connector for laptop charging. It is aimed at owners of compatible notebooks who want to use a USB-C charger or power bank instead of the original brick. The adapter carries power only and does not support data transmission.

Behaviour under sustained load

The wire uses a 4 mm diameter conductor to handle continuous charging current without excessive voltage drop. With no active electronics inside, heat generation stays low during long charging sessions. Reliability depends on the USB-C source meeting the laptop’s voltage and current requirements.

Installation and common pitfalls

Plug the USB-C end into the charger and the barrel tip into the laptop; no drivers or configuration are needed. The fixed 1.5 m length may limit placement options on larger desks. Buyers must verify their laptop uses the exact 7.9 x 5.5 mm tip, as other barrel sizes will not fit.

How it compares

Measured against everything we stock in Other Adapters & Couplers, at today’s prices. Recalculated every night.

Price $7.99
Cheaper than about 85% of the 1,761 comparable items (median $18.99).

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Specifications

Product
Adapter typePower Adapter

Questions about this item

Does the 4 mm wire diameter help the cable stay cool when I leave it charging all day?

The 4 mm diameter wire is designed for power delivery and the supplier notes plug-and-play operation, so it handles continuous charging without active cooling.

What must my laptop already have for this Type-C to 7.9 x 5.5 mm cable to work?

Your laptop needs a USB-C port that accepts power input and a 7.9 x 5.5 mm barrel connector on its original charger for the adapter to fit.

Will the 1.5 m length reach my older docking station that sits farther from the wall outlet?

At about 1.5 metres the cable gives extra reach compared with shorter leads, letting you connect the dock even if the socket is further away.

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