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A short silver cable with a 4.5×3.0 mm DC female jack on one end and a USB-C male plug on the other, nylon braided sheath

BUCIER

BUCIER DC4530 to USB-C Cable 4.5×3.0mm Female 140W 17.4cm

SKU CH-F3HR-HGFCF

Connects a 4.5×3.0mm DC power source to USB-C devices with a built-in PD chip supporting up to 140W output

  • Connection typeUSB Type C
  • Connector detailsUSB Type C
  • Build detailsMetal
  • Product colorSilver
  • Powers USB-C devices from a 4.5 × 3.0 mm DC source
  • Built-in PD chip negotiates 5 V, 9 V or 20 V automatically
  • Metal connector heads and nylon-braided jacket protect the pure copper core
  • Compact 17.4 cm length fits easily in a bag
  • Supports up to 140 W output for phones, tablets and laptops

DC 4.5×3.0 mm input for USB-C devices

This cable converts a DC 4.5 mm by 3.0 mm female barrel connector into a USB-C male plug. It targets users who want to power USB-C laptops, tablets or phones from an existing DC power brick instead of the original charger. A built-in PD identification chip negotiates the correct voltage automatically. The 17.4 cm nylon-braided cable with metal heads is designed for portable use.

PD protocol limits output to 5 V, 9 V or 20 V

The cable’s PD chip only enables 5 V at 2 A, 9 V at 2 A and 20 V at 7 A; 12 V and 15 V profiles are not available. Input voltage must sit between 15 V and 20.5 V, so the source brick has to match that range. If the brick cannot supply the negotiated PDO, the connection will not deliver power. The USB-C plug cannot accept power from a USB-C source; it is output only.

Handles devices up to 140 W with a stronger brick

The assembly is rated for 140 W maximum output, so it comfortably runs most ultraportables and tablets within that envelope. A 90 W brick will not start a 90 W or 100 W laptop because the source must exceed the load. Buyers whose laptops draw more than 140 W or who need 12 V or 15 V PD steps cannot use this cable.

How it compares

Measured against everything we stock in USB Cords & Extension Cables, at today’s prices. Recalculated every night.

Price $16.99
Pricier than about 60% of the 15,227 comparable items (median $14.99).

Specifications

Product
Brand nameSinLoon
Product colorSilver
Ports & slots
Connection typeUSB Type C
Connector detailsUSB Type C
Size & build
Build detailsMetal

Questions about this item

Which DC connector size does the cable accept?

The cable has a 4.5 mm × 3.0 mm female DC input that also fits a 4.5 mm × 0.6 mm plug.

What power can the USB-C end deliver to a laptop?

It negotiates PD at 5 V, 9 V or 20 V up to 7 A for a maximum of 140 W; 12 V and 15 V are not supported.

What input voltage range does the PD chip require?

The built-in chip works with a 15 V to 20.5 V DC source and will not operate outside that range.

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