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.

Related Products

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.

Made with care

Great value

Elegant design

Quality materials

This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.

We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.

We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.