{"product_id":"dc-2-1-2-5mm-ebike-lithium-battery-charger-connector-plug-adapter","title":"DC 2.1\/2.5mm E-Bike Battery Charger Connector Plug Adapter","description":"\u003ch2\u003eDC 2.1\/2.5mm E-Bike Lithium Battery Charger Connector — Male \u0026amp; Female Adapter\u003c\/h2\u003e\n\u003cp\u003eKeep your electric bicycle charging system running smoothly with this reliable DC 2.1\/2.5mm round connector adapter. Designed as a direct replacement or extension for lithium battery charger cables, this plug-and-socket set delivers a secure, stable connection every time. Whether you're replacing a worn-out connector or building a custom charging lead, this compact plastic adapter is an easy, cost-effective solution for home DIY e-bike maintenance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Compatibility:\u003c\/strong\u003e Fits both DC 2.1mm and DC 2.5mm charger plug standards — ideal for a wide range of electric bicycles and lithium battery chargers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMale \u0026amp; Female Connectors:\u003c\/strong\u003e Round barrel design includes both male and female ends for versatile wiring and replacement use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Construction:\u003c\/strong\u003e Made from sturdy, lightweight plastic housing that resists everyday wear and heat during charging cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMultiple Length Options:\u003c\/strong\u003e Available in 10 cm (3.93 in), 14 cm (5.51 in), and 19.8 cm (7.79 in) cable lengths to suit your setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHome DIY Friendly:\u003c\/strong\u003e Simple to install with no specialist tools required — a practical choice for e-bike owners and hobbyists alike.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand New \u0026amp; High Quality:\u003c\/strong\u003e 100% new components; colour: black.\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\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC Round Barrel — 2.1mm \/ 2.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA1\/A2: 10 cm (3.93 in) | A3\/A4: 14 cm (5.51 in) | A5\/A6: 19.8 cm (7.79 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Contents\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × Connector \/ Cable (as selected)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Photos may not reflect actual size — please refer to the measurements above. Allow 5–10 mm tolerance due to manual measurement. Colour may vary slightly between monitors.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/10-pack-rubber-strain-relief-cord-boot-protector-sleeves-4-6-5-2-6mm\"\u003e10-Pack Rubber Strain Relief Cord Boot Protectors 4.6–6mm\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/waterproof-cable-gland-set-pg7-pg9-nylon-connectors-10-pack\"\u003e10-Pack Waterproof Cable Glands PG7 PG9 Nylon Connectors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/25-in-1-precision-magnetic-screwdriver-set-pro-repair-tool-kit\"\u003e25-in-1 Precision Magnetic Screwdriver Set | Pro Repair Kit\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the DC 2.1mm and DC 2.5mm connector sizes?\u003c\/h4\u003e\n\u003cp\u003eA: The DC 2.1mm and 2.5mm measurements refer to the inner pin diameter of the barrel connector. The 2.1mm is the more common standard found on many e-bike chargers, while 2.5mm is used on some larger or higher-current lithium battery systems. Check your existing charger port or cable before selecting to ensure a proper fit.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this connector for other lithium battery applications beyond e-bikes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — this DC round barrel connector is compatible with any device that uses a matching 2.1mm or 2.5mm DC charging socket, including scooters, battery packs, and small electronics. Always verify the voltage and current rating of your specific application before use.\u003c\/p\u003e\n\u003ch4\u003eQ: Which cable length should I choose?\u003c\/h4\u003e\n\u003cp\u003eA: Select based on the distance between your charger output and battery input port. The 10 cm option suits tight or direct connections, the 14 cm provides a little more reach, and the 19.8 cm length is best for setups where the charger and battery are further apart or where routing around frame components is needed.\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 the DC 2.1mm and DC 2.5mm connector sizes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DC 2.1mm and 2.5mm measurements refer to the inner pin diameter of the barrel connector. The 2.1mm is the more common standard found on many e-bike chargers, while 2.5mm is used on some larger or higher-current lithium battery systems. 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The 10 cm option suits tight or direct connections, the 14 cm provides a little more reach, and the 19.8 cm length is best for setups where the charger and battery are further apart or where routing around frame components is needed.\"}}]}\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:\/\/sdf9i0-k1.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Bicycle \u0026 E-Bike\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/collections\/bicycle-e-bike\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"DC 2.1\/2.5mm E-Bike Battery Charger Connector Plug Adapter\", \"item\": \"https:\/\/sdf9i0-k1.myshopify.com\/products\/dc-2-1-2-5mm-ebike-lithium-battery-charger-connector-plug-adapter\"}]}\u003c\/script\u003e","brand":"QXL","offers":[{"title":"A4","offer_id":46964511277255,"sku":"14:29#A4","price":10.71,"currency_code":"USD","in_stock":true},{"title":"A5","offer_id":46964511310023,"sku":"14:173#A5","price":8.11,"currency_code":"USD","in_stock":true},{"title":"A6","offer_id":46964511342791,"sku":"14:193#A6","price":8.2,"currency_code":"USD","in_stock":true},{"title":"A1","offer_id":46964511375559,"sku":"14:200026864#A1","price":10.62,"currency_code":"USD","in_stock":true},{"title":"A2","offer_id":46964511408327,"sku":"14:350853#A2","price":10.59,"currency_code":"USD","in_stock":true},{"title":"A3","offer_id":46964511441095,"sku":"14:10#A3","price":10.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0799\/8314\/9255\/files\/Sc54f2c145b1f467b816d43f064dc9139Z.webp?v=1786059356","url":"https:\/\/qxlcustomerservice.com\/products\/dc-2-1-2-5mm-ebike-lithium-battery-charger-connector-plug-adapter","provider":"QXL","version":"1.0","type":"link"}