{"product_id":"18650-diy-battery-case-led-indicators-usb-output","title":"18650 DIY Battery Case with LED Indicators \u0026 USB Output","description":"\n\u003ch2\u003e18650 DIY Power Battery Case – Portable Charging Shell with LED Indicators\u003c\/h2\u003e\n\u003cp\u003eBuild your own compact portable charger with this lightweight 18650 Battery Case. Designed for DIY enthusiasts, students, business professionals, and outdoor adventurers, this high-gloss plastic shell lets you convert a single 18650 cell into a handy USB power source for smartphones, tablets, digital cameras, and more.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy DIY Assembly:\u003c\/strong\u003e Simple, user-friendly design — snap in your 18650 battery and you're ready to go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClear LED Status Indicators:\u003c\/strong\u003e Red flashing light during charging, solid red when fully charged, and blue light active during discharge — always know your battery status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Protection Circuits:\u003c\/strong\u003e Safeguards against overcharging, over-discharging, and short-circuits for a secure and dependable experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWear-Resistant Construction:\u003c\/strong\u003e Made from durable, eco-friendly high-gloss plastic that stands up to daily use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Output:\u003c\/strong\u003e Conveniently charges smartphones, tablets, and other USB-powered devices on the go.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Slim, pocket-friendly form factor ideal for camping, hiking, travel, and daily commutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eItem\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBattery Shell Case\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHigh-gloss eco-friendly plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Battery\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 × 18650 (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 23 × 27 × 98 mm (0.91 × 1.06 × 3.86 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1200–3000 mAh (depends on battery used)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 1.0A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 5V \/ 1.0A (USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3–4 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLED Indicators\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eRed (charging\/full) \/ Blue (discharging)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOptional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 18650 Battery Case Shell\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eNote: Battery is NOT included. Please ensure correct polarity (+\/−) when inserting the battery. Allow ±1–2 cm variance due to manual measurement.\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\/10-piece-complete-gardening-tool-kit\"\u003e10-Piece Gardening Tool Kit – Iron Head \u0026amp; Plastic Handle\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/hex-nut-bolt-extractor-tool-kit-10-piece\"\u003e10-Pc Hex Nut \u0026amp; Bolt Extractor Kit 9–19mm | HIP Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/105-degree-right-angle-driver-with-hex-screwdriver-bit\"\u003e105° Right Angle Driver with 1\/4\" Hex Screwdriver Bit | HIP\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: Does the 18650 battery case come with a battery included?\u003c\/h4\u003e\n\u003cp\u003eA: No, the battery case does not include a battery. You will need to supply your own compatible 18650 lithium cell. Please ensure you insert the battery with the correct polarity (positive and negative poles aligned as marked).\u003c\/p\u003e\n\u003ch4\u003eQ: What devices can I charge using this 18650 battery case?\u003c\/h4\u003e\n\u003cp\u003eA: This battery shell outputs DC 5V \/ 1.0A via USB, making it compatible with a wide range of devices including smartphones, tablets, digital cameras, and most other USB-powered electronics.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I know when the battery is fully charged?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in LED indicator makes it easy — the red light flashes while charging and stays solid when the battery is fully charged. The blue light turns on when the case is actively discharging power to your device.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this battery case safe to use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The case includes built-in protection circuits against overcharging, over-discharging, and short-circuits, providing a secure and user-friendly experience during both charging and discharging.\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\": \"Does the 18650 battery case come with a battery included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the battery case does not include a battery. You will need to supply your own compatible 18650 lithium cell. Please ensure you insert the battery with the correct polarity (positive and negative poles aligned as marked).\"}}, {\"@type\": \"Question\", \"name\": \"What devices can I charge using this 18650 battery case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This battery shell outputs DC 5V \/ 1.0A via USB, making it compatible with a wide range of devices including smartphones, tablets, digital cameras, and most other USB-powered electronics.\"}}, {\"@type\": \"Question\", \"name\": \"How do I know when the battery is fully charged?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The built-in LED indicator makes it easy — the red light flashes while charging and stays solid when the battery is fully charged. The blue light turns on when the case is actively discharging power to your device.\"}}, {\"@type\": \"Question\", \"name\": \"Is this battery case safe to use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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