PD 100W USB-C to DC 5521 Barrel Jack Power Adapter for Starlink

PD 100W USB-C Female to DC 5.5×2.1mm Barrel Jack Power Adapter for Starlink

Power your Starlink dish or other DC-barrel devices directly from any USB-C PD (Power Delivery) source with this compact, reliable adapter. With a built-in PD Sink Chip that automatically negotiates 20V output, you can ditch proprietary power bricks and use a single high-wattage USB-C charger for multiple devices — perfect for travel, van life, off-grid setups, or anywhere a DC 5521 barrel connector is required.

Key Features

• Built-in PD Sink Chip — automatically requests 20V from compatible USB-C PD chargers (up to 100W), delivering stable power to your device.
• Waterproof DC Cable Construction — exclusive waterproof PVC structure ensures dependable performance both indoors and outdoors, even in rain or challenging weather conditions.
• Universal USB-C Female Input — works with any USB-C PD 100W charger or power bank, giving you flexible power source options.
• DC 5521 (5.5×2.1mm) Male Output — the industry-standard barrel jack size compatible with Starlink and a wide range of routers, cameras, and electronics.
• Compact & Portable — lightweight design slips easily into a bag, toolkit, or travel kit.
• PVC Material — durable, flexible cable body built to withstand regular use.

Specifications

• Type: USB-C Female to DC 5521 (C to DC / D to D)
• Output Voltage: 20V (PD negotiated)
• Max Power: 100W
• DC Connector: 5.5mm × 2.1mm Barrel Jack (Male)
• Cable Material: PVC
• Weather Resistance: Waterproof structure

Package Contents

• 1 × USB-C to DC 5521 Power Adapter

Note: Packed safely in a bubble bag. No retail box included. Slight color variations may occur between product images and actual item. Please allow ±1–2mm measurement tolerance.

Made in Mainland China.

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For guidance on USB Power Delivery standards and safe charging practices, visit the U.S. Department of Energy – Electronics Energy Tips.

Learn more: AC adapter

Frequently Asked Questions

Q: Is this USB-C to DC 5521 adapter compatible with Starlink satellite internet dishes?

A: Yes — this adapter is specifically designed to work with Starlink and other devices that use a standard DC 5.5×2.1mm (5521) barrel jack connector. It requires a USB-C PD 100W-capable charger or power bank to negotiate the 20V output needed.

Q: Do I need a special USB-C charger for this adapter to work?

A: You need a USB-C Power Delivery (PD) charger or power bank rated for 100W and capable of outputting 20V. The built-in PD Sink Chip in this adapter automatically communicates with the charger to request the correct 20V voltage — standard USB-C chargers without PD may not provide sufficient power.

Q: Can this adapter be used outdoors or in wet conditions?

A: Yes. The DC cable features an exclusive waterproof PVC construction, making it suitable for outdoor use and capable of handling rain or damp environments reliably.

Q: What is the difference between the C to DC and D to D configurations?

A: "C to DC" refers to a USB-C female input to DC barrel male output, while "D to D" refers to a DC barrel female to DC barrel male configuration. Both are designed to deliver 20V PD power to devices with a 5521 barrel jack input.