{"product_id":"metal-power-bank-diy-kit-18650-battery-usb-charger","title":"Metal Power Bank DIY Kit – 18650 Battery \u0026 USB Charger","description":"\n\u003ch2\u003eBuild Your Own Metal Power Bank – No Soldering Required!\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eMetal Power Bank DIY Kit\u003c\/strong\u003e lets you assemble a fully functional 5V USB external charger from scratch — no welding, no soldering, no specialized skills needed. Everything comes in the box, including a genuine \u003cstrong\u003e18650 lithium battery\u003c\/strong\u003e, a sturdy metal shell, and a 5V 1A USB charging circuit board. It's a hands-on electronics project that's as practical as it is fun.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're an electronics hobbyist, a maker, a student learning about circuits, or simply someone who wants a custom portable charger, this kit delivers a rewarding build experience and a genuinely useful finished product.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Metal power bank shell \/ housing\u003c\/li\u003e\n  \u003cli\u003e1× 18650 rechargeable lithium battery\u003c\/li\u003e\n  \u003cli\u003e1× 5V 1A USB charging circuit board (voltage regulator module)\u003c\/li\u003e\n  \u003cli\u003e1× Protective storage case\u003c\/li\u003e\n  \u003cli\u003eAll hardware needed for assembly\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo welding or soldering required\u003c\/strong\u003e — snap-fit, tool-free assembly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMetal construction\u003c\/strong\u003e — durable, heat-dissipating housing\u003c\/li\u003e\n  \u003cstrong\u003e5V 1A USB output\u003c\/strong\u003e — compatible with smartphones, earbuds, and other USB-charged devices\n  \u003cli\u003e\n\u003cstrong\u003eIncludes 18650 battery\u003c\/strong\u003e — ready to charge right away\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStorage case included\u003c\/strong\u003e — keep your kit or finished bank protected\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat DIY \/ STEM project\u003c\/strong\u003e — ideal for learning about battery management and USB power circuits\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; portable\u003c\/strong\u003e — slim enough to carry in a pocket or bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput \/ Input Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1A (USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Included\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1× 18650 Li-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShell Material\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConnector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSB-A\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\u003ch3\u003eRelated Products You May 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  \u003cli\u003e\u003ca href=\"\/products\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan LED Display 199 Speeds | USB \u0026amp; Type-C\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: Does this metal power bank DIY kit really require no soldering or welding?\u003c\/h4\u003e\n\u003cp\u003eA: Correct! The kit is designed for tool-free, snap-fit assembly. All components connect without any welding or soldering, making it accessible to beginners and hobbyists of all skill levels.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is the 18650 battery included and is it pre-charged?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, one 18650 lithium-ion battery is included in the kit. We recommend giving it a full charge via the USB input before first use to get the best performance from your assembled power bank.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What devices can I charge with this power bank?\u003c\/h4\u003e\n\u003cp\u003eA: The assembled power bank outputs 5V at 1A via its USB-A port, making it compatible with most smartphones, Bluetooth earbuds, small LED lights, and other USB-charged devices that operate within that power range.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this a good STEM or electronics learning project?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. This kit is a great hands-on introduction to battery management circuits, USB power delivery, and voltage regulation — perfect for students, hobbyists, or anyone curious about how portable chargers work.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does this metal power bank DIY kit really require no soldering or welding?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Correct! The kit is designed for tool-free, snap-fit assembly. All components connect without any welding or soldering, making it accessible to beginners and hobbyists of all skill levels.\"}}, {\"@type\": \"Question\", \"name\": \"Is the 18650 battery included and is it pre-charged?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, one 18650 lithium-ion battery is included in the kit. 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