{"product_id":"5-5x2-1mm-dc-barrel-connector-kit-male-plug-female-panel-mount-jack","title":"5.5x2.1mm DC Barrel Connector Kit – Male Plug \u0026 Female Jack","description":"\n\u003ch2\u003e5.5x2.1mm DC Barrel Connector Adapter Kit – Male Plug \u0026amp; Female Panel Mount Jack\u003c\/h2\u003e\n\u003cp\u003eGet a rock-solid DC power connection for your next DIY build with this versatile \u003cstrong\u003e5.5x2.1mm DC Barrel Connector Kit\u003c\/strong\u003e. Whether you're wiring up a custom power supply, assembling a speaker system, modifying a guitar amplifier, or replacing a worn-out charging port on a toy electric vehicle, this kit has everything you need for a clean, stable, and reliable DC power link.\u003c\/p\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector Size:\u003c\/strong\u003e 5.5 x 2.1mm (industry-standard barrel size)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Connectors:\u003c\/strong\u003e DC Male Plug + DC Female Panel Mount Jack\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColors Available:\u003c\/strong\u003e Black, Red\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Voltage:\u003c\/strong\u003e DC 36V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Current:\u003c\/strong\u003e 3A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Male Plug:\u003c\/strong\u003e 30cm wire, 18AWG cable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Female Jack:\u003c\/strong\u003e 15cm wire, 20AWG cable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePanel Mount Hole Size:\u003c\/strong\u003e 12mm (threaded)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePolarity:\u003c\/strong\u003e Red wire = Positive (+), Black wire = Negative (−)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e No\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMade in China\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWide Range of Applications\u003c\/h3\u003e\n\u003cp\u003eThis DC barrel connector kit is built for makers and tinkerers. Common uses include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics projects and custom modifications\u003c\/li\u003e\n  \u003cli\u003eSpeaker assembly and audio equipment wiring\u003c\/li\u003e\n  \u003cli\u003eCustom power supply fabrication\u003c\/li\u003e\n  \u003cli\u003eReplacing damaged, rusted, or worn charging ports on toy electric vehicles\u003c\/li\u003e\n  \u003cli\u003eGuitar amplifier modifications\u003c\/li\u003e\n  \u003cli\u003eCCTV camera power connections\u003c\/li\u003e\n  \u003cli\u003eAny project requiring a dependable 5.5x2.1mm DC barrel power interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Kit?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eStandard 5.5x2.1mm sizing\u003c\/strong\u003e — compatible with the vast majority of DC-powered devices\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePre-wired leads\u003c\/strong\u003e — saves time; no need to solder from scratch\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eThreaded panel mount female jack\u003c\/strong\u003e — installs securely into a 12mm hole for a professional finish\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eProtective cap included\u003c\/strong\u003e — keeps the connector port dust-free when not in use\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eColor-coded wiring\u003c\/strong\u003e — red\/black leads make polarity identification easy and error-free\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eRated for up to 36V DC \/ 3A\u003c\/strong\u003e — handles a broad range of low-voltage applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Contents\u003c\/h3\u003e\n\u003cp\u003eYour kit includes a \u003cstrong\u003e5.5x2.1mm DC Male Plug\u003c\/strong\u003e with 30cm 18AWG cable, a \u003cstrong\u003e5.5x2.1mm DC Female Panel Mount Jack\u003c\/strong\u003e with 15cm 20AWG cable, and a \u003cstrong\u003eprotective cap\u003c\/strong\u003e. Multiple package options may be available — please select the configuration that suits your project.\u003c\/p\u003e\n\n\u003ch3\u003ePlease Note\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003ePlease verify this is the correct connector size before purchasing.\u003c\/li\u003e\n  \u003cli\u003eAllow ±0–2cm tolerance due to manual measurement (1 inch = 25.4mm).\u003c\/li\u003e\n  \u003cli\u003eActual product colour may vary slightly from on-screen images.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more project essentials? Check out these related items from our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-2-pin-quick-splice-spring-wire-connectors-lock-terminals\"\u003e10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/12pcs-16mm-momentary-push-button-switch-1no-metal-2-pin-self-reset\"\u003e12pcs 16mm Momentary Push Button Switch 1NO Metal 2-Pin Self-Reset\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10pcs-durable-gold-blade-nut-metal-universal-trimmer-accessories-anti-loosening-line-left-hand-thread-replacement-parts-1\"\u003e10pcs Durable Gold Blade Nut Metal Universal Trimmer Accessories\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.epa.gov\/recycle\/used-lithium-ion-batteries\" target=\"_blank\" rel=\"noopener\"\u003eEPA guidance on lithium-ion battery handling\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What size panel hole does the DC female jack require for mounting?\u003c\/h4\u003e\n\u003cp\u003eA: The threaded DC female panel mount jack requires a 12mm diameter hole for installation, making it compatible with standard project enclosures and chassis panels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum voltage and current this DC barrel connector kit can handle?\u003c\/h4\u003e\n\u003cp\u003eA: This 5.5x2.1mm DC barrel connector kit is rated for up to 36V DC and 3A continuous current, suitable for a wide range of low-voltage DIY electronics, CCTV cameras, speakers, and custom power supply projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Are the wires pre-attached to the connectors?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The DC male plug comes with a 30cm 18AWG pre-wired lead, and the DC female jack comes with a 15cm 20AWG pre-wired lead. Both are color-coded: red for positive (+) and black for negative (−), making wiring quick and straightforward.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this connector kit compatible with CCTV cameras and security systems?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 5.5x2.1mm barrel connector is an industry-standard size widely used in CCTV cameras, security systems, and other DC-powered surveillance equipment. This kit provides a reliable, secure power connection for those applications.\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 size panel hole does the DC female jack require for mounting?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The threaded DC female panel mount jack requires a 12mm diameter hole for installation, making it compatible with standard project enclosures and chassis panels.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum voltage and current this DC barrel connector kit can handle?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 5.5x2.1mm DC barrel connector kit is rated for up to 36V DC and 3A continuous current, suitable for a wide range of low-voltage DIY electronics, CCTV cameras, speakers, and custom power supply projects.\"}}, {\"@type\": \"Question\", \"name\": \"Are the wires pre-attached to the connectors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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