{"product_id":"20pcs-18650-battery-spring-contact-sheets-diy-battery-box","title":"20Pcs 18650 Battery Spring Contact Sheets | DIY Battery Box","description":"\u003ch2\u003e20-Pack 18650 Battery Spring Contact Sheets for DIY Electronics\u003c\/h2\u003e\n\u003cp\u003eKeep your battery-powered projects running smoothly with these \u003cstrong\u003enickel-plated spring contact sheets\u003c\/strong\u003e, designed specifically for 18650 batteries. Whether you're building a custom battery box, repairing an existing pack, or assembling a DIY electronics project, these positive and negative terminal contacts deliver reliable electrical connectivity every time. Made in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal 18650 Compatibility:\u003c\/strong\u003e Fits all standard 18650 batteries with strong, stable contact — no modifications needed.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNickel-Plated Iron Construction:\u003c\/strong\u003e 0.3mm nickel-plated iron material ensures excellent conductivity, corrosion resistance, and long-lasting durability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePositive \u0026amp; Negative Terminals Included:\u003c\/strong\u003e Each pack contains both bipolar (positive and negative) single contact sheets — everything you need for a complete battery bay.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenerous 20-Piece Pack:\u003c\/strong\u003e Ideal for multiple builds, replacements, and repairs — stock up for all your DIY projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSilver Finish:\u003c\/strong\u003e Clean, professional-looking silver finish that suits any battery holder or custom enclosure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy to Install:\u003c\/strong\u003e Designed for straightforward DIY installation — simply press or solder into your battery box frame.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 0.3mm Nickel-Plated Iron\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Silver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Contents:\u003c\/strong\u003e 20 x Battery Spring Contact Sheets (positive \u0026amp; negative)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible With:\u003c\/strong\u003e All 18650 batteries\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY battery holders and custom battery boxes\u003c\/li\u003e\n  \u003cli\u003eReplacement terminal contacts for worn or damaged battery packs\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyists, makers, and engineers\u003c\/li\u003e\n  \u003cli\u003eFlashlights, power banks, RC vehicles, and more\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e Due to manual measurement, a tolerance of 1–3mm may apply. Monitor color settings may slightly affect the appearance of images — please refer to the actual product received.\u003c\/p\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Are these 18650 battery spring contacts compatible with all 18650 battery sizes?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! These spring contact sheets are designed for universal compatibility with all standard 18650 batteries, making them suitable for a wide range of battery holders, DIY battery boxes, and electronic assemblies.\u003c\/p\u003e\n\u003ch4\u003eQ: Do the 20 pieces include both positive and negative contacts?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Each pack of 20 includes both positive and negative (bipolar) contact sheets, so you have everything you need to wire up multiple battery bays in your custom build or repair project.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I solder these battery spring contacts into my battery holder?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The 0.3mm nickel-plated iron material is soldering-friendly, allowing you to securely attach the contacts to your battery box frame or PCB for a durable, low-resistance connection.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Are these 18650 battery spring contacts compatible with all 18650 battery sizes?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! These spring contact sheets are designed for universal compatibility with all standard 18650 batteries, making them suitable for a wide range of battery holders, DIY battery boxes, and electronic assemblies.\"}}, {\"@type\": \"Question\", \"name\": \"Do the 20 pieces include both positive and negative contacts?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Absolutely. Each pack of 20 includes both positive and negative (bipolar) contact sheets, so you have everything you need to wire up multiple battery bays in your custom build or repair project.\"}}, {\"@type\": \"Question\", \"name\": \"Can I solder these battery spring contacts into my battery holder?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The 0.3mm nickel-plated iron material is soldering-friendly, allowing you to securely attach the contacts to your battery box frame or PCB for a durable, low-resistance connection.\"}}]}\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:\/\/n8ande-60.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Home page\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/collections\/frontpage\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"20Pcs 18650 Battery Spring Contact Sheets | DIY Battery Box\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/20pcs-18650-battery-spring-contact-sheets-diy-battery-box\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"onesize","offer_id":44167244021847,"sku":"14:1202#onesize","price":10.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S45f26f25c1a04bfc8bdcb2e7a89cf072q.webp?v=1786760050","url":"https:\/\/axlcustomersupport.com\/products\/20pcs-18650-battery-spring-contact-sheets-diy-battery-box","provider":"Axl","version":"1.0","type":"link"}