{"product_id":"pd-100w-usb-c-to-dc-5521-barrel-jack-power-adapter-starlink","title":"PD 100W USB-C to DC 5521 Barrel Jack Power Adapter for Starlink","description":"\n\u003ch2\u003ePD 100W USB-C Female to DC 5.5×2.1mm Barrel Jack Power Adapter for Starlink\u003c\/h2\u003e\n\u003cp\u003ePower 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.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in PD Sink Chip\u003c\/strong\u003e — automatically requests 20V from compatible USB-C PD chargers (up to 100W), delivering stable power to your device.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWaterproof DC Cable Construction\u003c\/strong\u003e — exclusive waterproof PVC structure ensures dependable performance both indoors and outdoors, even in rain or challenging weather conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal USB-C Female Input\u003c\/strong\u003e — works with any USB-C PD 100W charger or power bank, giving you flexible power source options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC 5521 (5.5×2.1mm) Male Output\u003c\/strong\u003e — the industry-standard barrel jack size compatible with Starlink and a wide range of routers, cameras, and electronics.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable\u003c\/strong\u003e — lightweight design slips easily into a bag, toolkit, or travel kit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePVC Material\u003c\/strong\u003e — durable, flexible cable body built to withstand regular use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e USB-C Female to DC 5521 (C to DC \/ D to D)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage:\u003c\/strong\u003e 20V (PD negotiated)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Power:\u003c\/strong\u003e 100W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Connector:\u003c\/strong\u003e 5.5mm × 2.1mm Barrel Jack (Male)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCable Material:\u003c\/strong\u003e PVC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeather Resistance:\u003c\/strong\u003e Waterproof structure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × USB-C to DC 5521 Power Adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eNote: 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.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMade in Mainland China.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-channel-relay-module-dc-3-3v-24v-optocoupler-arduino\"\u003e1-Channel Relay Module DC 3.3V–24V Optocoupler for Arduino\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-32-inch-amoled-smart-watch-bluetooth-call-fitness-tracker-ios-android\"\u003e1.32″ AMOLED Smart Watch – Bluetooth Call, Fitness \u0026amp; Health Tracker\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/038-inch-1280x720p-micro-display-diy-hdmi-driver-board-kit\"\u003e0.38″ 1280×720P Micro Display DIY Kit with HDMI Driver Board\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor guidance on USB Power Delivery standards and safe charging practices, visit the U.S. Department of Energy – Electronics Energy Tips.\u003c\/p\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/AC_adapter\" target=\"_blank\" rel=\"noopener\"\u003eAC adapter\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Is this USB-C to DC 5521 adapter compatible with Starlink satellite internet dishes?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Do I need a special USB-C charger for this adapter to work?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Can this adapter be used outdoors or in wet conditions?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the difference between the C to DC and D to D configurations?\u003c\/h4\u003e\n\u003cp\u003eA: \"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.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is this USB-C to DC 5521 adapter compatible with Starlink satellite internet dishes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"Do I need a special USB-C charger for this adapter to work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"Can this adapter be used outdoors or in wet conditions?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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.\"}}, {\"@type\": \"Question\", \"name\": \"What is the difference between the C to DC and D to D configurations?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"\\\"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.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/oasis-select.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Chargers \u0026 Cables\", \"item\": \"https:\/\/oasis-select.com\/collections\/chargers-cables\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"PD 100W USB-C to DC 5521 Barrel Jack Power Adapter for Starlink\", \"item\": \"https:\/\/oasis-select.com\/products\/pd-100w-usb-c-to-dc-5521-barrel-jack-power-adapter-starlink\"}]}\u003c\/script\u003e","brand":"Oasis Select","offers":[{"title":"5521 to 5521","offer_id":47755250565225,"sku":"14:350852#5521 to 5521","price":6.39,"currency_code":"USD","in_stock":true},{"title":"C to 5521","offer_id":47755250597993,"sku":"14:10#C to 5521","price":6.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7931\/3257\/files\/S4348fd9173b64c629478003784cbe7c6n.webp?v=1783267833","url":"https:\/\/oasis-select.com\/products\/pd-100w-usb-c-to-dc-5521-barrel-jack-power-adapter-starlink","provider":"Oasis Select","version":"1.0","type":"link"}