{"product_id":"dc-power-connector-5-5x2-1-5-5x2-5mm-male-female-plug-with-cable","title":"DC Power Connector 5.5×2.1 \u0026 5.5×2.5mm Male Female Plug Cable","description":"\u003ch2\u003eDC Power Plug Connector with 20cm Cable — 5.5×2.1mm \u0026amp; 5.5×2.5mm\u003c\/h2\u003e\n\u003cp\u003eKeep your electronics projects powered and connected with this high-quality DC power connector. Featuring a copper core construction with a PVC-insulated cable, this wired DC socket delivers reliable, high-current performance for a wide range of DIY electronics, power adapters, CCTV systems, LED strips, and more. Available in both 5.5×2.1mm and 5.5×2.5mm barrel sizes to match your specific setup.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Available in 5.5×2.1mm and 5.5×2.5mm barrel connector sizes (Model: 5521 \/ 5525)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Quality Materials:\u003c\/strong\u003e Copper core contacts with durable PVC cable insulation for long-lasting conductivity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePre-Wired Convenience:\u003c\/strong\u003e Comes with approximately 20cm of cable — ready to use or easy to solder into your project\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Current Capacity:\u003c\/strong\u003e Rated for up to 24V, suitable for a broad range of low-voltage DC applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSecure Connection:\u003c\/strong\u003e Snug-fit male\/female design minimises connection drop-outs and ensures a stable power link\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Versatile:\u003c\/strong\u003e Ideal for power adapters, security cameras, routers, LED drivers, and DIY electronics\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCopper + PVC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5.5×2.1mm \/ 5.5×2.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCable Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 20cm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWireless\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cp\u003e1 × DC Power Female\/Male Connector with Cable\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Due to manual measurement, please allow ±1–3mm tolerance. Actual product colour may vary slightly from images due to differences in monitor display settings.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eYou Might Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-large-capacity-battery-storage-organizer-box-batteries-not-included-vintage-beer-crate-appearance-holds-30-aaa-batteries\"\u003e1PC Large Capacity Battery Storage Organizer Box\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-mobile-data-cable-storage-box-portable-winding-earphone-charger-storage-box-with-lid-drawer-organizer-box\"\u003e1PC Mobile Data Cable Storage Box with Lid\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between a 5.5×2.1mm and a 5.5×2.5mm DC connector?\u003c\/h4\u003e\n\u003cp\u003eA: Both are standard barrel-style DC power connectors with a 5.5mm outer diameter, but they differ in inner pin diameter — 2.1mm vs 2.5mm. It's important to match the connector size to your device's jack. Using a mismatched size may result in a loose or non-functional connection. Check your device's specifications before ordering.\u003c\/p\u003e\n\u003ch4\u003eQ: What applications is this DC power connector suitable for?\u003c\/h4\u003e\n\u003cp\u003eA: This DC power connector is ideal for a wide variety of low-voltage applications including CCTV cameras, LED strip drivers, routers, power supply adapters, Arduino\/Raspberry Pi projects, and other 24V DC electronics that use a standard 5.5mm barrel connector.\u003c\/p\u003e\n\u003ch4\u003eQ: Is soldering required to use this connector?\u003c\/h4\u003e\n\u003cp\u003eA: The connector comes pre-wired with approximately 20cm of cable, so you can use it directly by connecting the exposed wire ends to your circuit or terminal block. Soldering is optional but may be used for a more permanent installation.\u003c\/p\u003e\n\u003ch4\u003eQ: Is the cable long enough for most applications?\u003c\/h4\u003e\n\u003cp\u003eA: The included cable is approximately 20cm (about 8 inches) long, which is well-suited for panel mounting, internal wiring, or short-run connections. For longer runs, the wires can be extended by splicing additional cable.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between a 5.5×2.1mm and a 5.5×2.5mm DC connector?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Both are standard barrel-style DC power connectors with a 5.5mm outer diameter, but they differ in inner pin diameter — 2.1mm vs 2.5mm. It's important to match the connector size to your device's jack. Using a mismatched size may result in a loose or non-functional connection. 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