{"product_id":"diy-18650-power-bank-case-2-cell-5600mah-battery-box","title":"DIY 18650 Power Bank Case 2-Cell 5600mAh Battery Box","description":"\u003cp\u003eBuild your own portable charger with this \u003cstrong\u003eDIY 2-Cell 18650 Power Bank Case\u003c\/strong\u003e — a compact, lightweight battery enclosure that lets you assemble a custom 5600mAh portable charger for smartphones and other USB-powered devices. Made from durable plastic, this clever little box is the perfect weekend electronics project or a practical everyday carry essential.\u003c\/p\u003e\n\n\u003cp\u003eWith a slim 96 × 45 × 22 mm profile, it slips effortlessly into a pocket, bag, or backpack. The built-in LED indicator light lets you monitor charge status at a glance, so you always know how much power you have left. Available in \u003cstrong\u003e7 color options\u003c\/strong\u003e to match your personal style.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY-Friendly Design:\u003c\/strong\u003e Holds 2 × 18650 rechargeable batteries (sold separately) for up to 5600mAh capacity\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5V 1A USB Output:\u003c\/strong\u003e Compatible with smartphones, earbuds, and other standard USB devices\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Indicator Light:\u003c\/strong\u003e Real-time battery level display at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Measures just 96 × 45 × 22 mm — ultra-slim for everyday carry\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Plastic Shell:\u003c\/strong\u003e Built to withstand daily use\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e7 Color Choices:\u003c\/strong\u003e Pick the one that fits your style\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreat Gift Idea:\u003c\/strong\u003e A thoughtful, practical present for tech enthusiasts and DIY hobbyists\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × 18650 (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCapacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 5600mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 1A USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e96 × 45 × 22 mm\u003c\/td\u003e\n\u003c\/tr\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\u003eIndicator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED charge indicator light\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Colors\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7 options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003eFor more information on battery safety and best practices when using rechargeable lithium batteries, visit the U.S. Consumer Product Safety Commission – Lithium Battery Safety.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What batteries does the DIY 18650 Power Bank Case require?\u003c\/h4\u003e\n\u003cp\u003eA: This power bank case is designed to hold 2 × 18650 rechargeable lithium batteries, providing up to 5600mAh of total capacity. Please note that the 18650 batteries are \u003cstrong\u003enot included\u003c\/strong\u003e and must be purchased separately.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What devices can I charge with this 18650 power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: The case outputs 5V at 1A via a standard USB port, making it compatible with most smartphones, Bluetooth earbuds, small tablets, and other USB-powered devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I know when my power bank is running low?\u003c\/h4\u003e\n\u003cp\u003eA: The built-in LED indicator light displays the current battery status, so you can monitor your remaining charge at a glance without guessing.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this power bank case suitable as a gift?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely! 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