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Short black waterproof DC 5.5x2.1 male-to-female extension cable

DRIVESTOR Starlink Mini DC Extension Cable 21CM 100W Waterproof DC 5.5x2.1 Male-to-Female

SKU CH-H7VC-N7ZXB

A 21cm waterproof DC 5.5x2.1 male-to-female extension cable rated for 100W PD power delivery to Starlink Mini setups

  • Connection typeDc5521
  • Connector detailsDc5521
  • Connector genderMale-to-Female
  • Build detailsBrass
  • Product typeDC5521
  • Product colorBlack
  • Supports 100W power delivery for fast, stable charging
  • IP68 weatherproof connectors resist rain, dust and snow
  • 21cm length designed for Starlink Mini bracket setups
  • Plug-and-play with USB-C chargers and DC5521 adapters
  • Lightweight 0.8-ounce build fits easily in travel gear

Starlink Mini Power Extension

This 21cm DC extension cable connects a Starlink Mini dish to external power sources using a male-to-female 5.5x2.1mm barrel connector. It is built for portable satellite internet setups that need a short, weatherproof link between the dish and a power bank or adapter. The compact length keeps cable clutter low for mobile or semi-permanent outdoor installs.

100W PD and 18AWG Copper

The cable supports up to 100W Power Delivery at 20V/5A through 18AWG copper conductors, providing low resistance and minimal heat during continuous operation. This single rating decides whether the cord can handle your chosen power source; if your supply exceeds 100W or uses a different voltage, this cable is not the right part.

IP68 Sealed for Outdoor Use

Both brass connectors feature waterproof sealing and a PVC jacket rated to IP68, protecting against rain, dust and snow without tools or extra enclosures. It plugs directly into the Starlink Mini power cable, compatible USB-C chargers, 65W-100W power banks, power stations or standard DC5521 adapters. The short tether reduces strain on the original port and speeds up pack-up when moving camp or vehicle.

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 nameDRIVESTOR
Product typeDC5521
Product colorBlack
Ports & slots
Connection typeDc5521
Connector detailsDc5521
Connector genderMale-to-Female
Size & build
Build detailsBrass

Questions about this item

What does the 100W rating mean when I connect this cable to my Starlink Mini?

The cable handles up to 100W at 20V/5A, so a 100W charger or power bank can deliver full power to the dish without the cable becoming a bottleneck.

How does the DC 5.5x2.1 connector limit what power sources I can use?

The DC5521 barrel connector only fits devices with the matching 5.5 mm outer and 2.1 mm inner diameter, so you must use a Starlink Mini power cable, a compatible USB-C PD charger with a DC5521 tip, or a DC5521-output power bank.

Will the 21 cm length reach from my Starlink Mini bracket to a ground-level power bank?

At 21 cm the cable is designed for short bracket-to-brick links; if the power source sits farther away you will need a longer DC5521 extension or a different routing plan.

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