{"product_id":"diy-2x18650-usb-power-bank-case-kit-battery-charger-shell","title":"DIY 2x18650 USB Power Bank Case Kit – Battery Charger Shell","description":"\n\u003ch2\u003eBuild Your Own Portable Power Bank with This DIY 2×18650 Battery Charger Case Kit\u003c\/h2\u003e\n\u003cp\u003eTake control of your charging on the go with this versatile \u003cstrong\u003e2×18650 USB Power Bank Case Kit\u003c\/strong\u003e. Designed for electronics enthusiasts, hobbyists, and everyday users alike, this DIY shell kit lets you create a custom portable charger using two standard 18650 lithium-ion batteries (batteries not included). Compact, lightweight, and easy to assemble — it's the perfect solution for keeping your smartphone, MP3 player, and other USB-powered devices topped up wherever you are.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIY Design:\u003c\/strong\u003e Assemble your own power bank with two 18650 cells for a fully customizable charging experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Output:\u003c\/strong\u003e Standard USB port compatible with smartphones, MP3 players, tablets, and other electronic devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 4.5V – 5.5V for reliable and safe charging performance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Shell:\u003c\/strong\u003e Sturdy black ABS housing protects your batteries and internal components.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Portable:\u003c\/strong\u003e Slim, lightweight form factor fits easily in a pocket, bag, or backpack.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Works with most standard 18650 rechargeable lithium-ion batteries.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Indicator:\u003c\/strong\u003e Built-in indicator light shows charging status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Safe construction with no hazardous materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery Type:\u003c\/strong\u003e 2×18650 (batteries not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInput Voltage:\u003c\/strong\u003e 4.5V – 5.5V\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput:\u003c\/strong\u003e USB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Black\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e New\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 unit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Made in China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 2×18650 DIY Power Bank Case Shell Kit (Black)\u003c\/li\u003e\n  \u003cli\u003eNote: 18650 batteries are \u003cstrong\u003eNOT included\u003c\/strong\u003e — please source compatible 18650 cells separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSmartphone charging on the go\u003c\/li\u003e\n  \u003cli\u003eMP3 players and portable audio devices\u003c\/li\u003e\n  \u003cli\u003eElectronics hobbyists and DIY makers\u003c\/li\u003e\n  \u003cli\u003eEmergency backup charging kits\u003c\/li\u003e\n  \u003cli\u003eCamping, travel, and outdoor adventures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAlso check out these related products from our store:\u003cbr\u003e\n  \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\u003cbr\u003e\n  \u003ca href=\"\/products\/cordless-rechargeable-milk-frother-coffee-foam-egg-whisk\"\u003eCordless Rechargeable Milk Frother – Coffee Foam \u0026amp; Egg Whisk\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\n\u003c\/p\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: Do 18650 batteries come included with this power bank case kit?\u003c\/h4\u003e\n\u003cp\u003eA: No, the 18650 batteries are \u003cstrong\u003enot included\u003c\/strong\u003e. This kit includes only the DIY shell\/case and charging circuit board. You will need to purchase two standard 18650 rechargeable lithium-ion batteries separately to use with this power bank case kit.\u003c\/p\u003e\n\u003ch4\u003eQ: What devices can I charge with this 2×18650 USB power bank kit?\u003c\/h4\u003e\n\u003cp\u003eA: This DIY power bank case kit is compatible with any USB-powered device, including smartphones, MP3 players, Bluetooth earbuds, small tablets, and other portable electronics. Simply plug your USB charging cable into the output port to charge your device.\u003c\/p\u003e\n\u003ch4\u003eQ: Is this power bank case kit safe to use?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The kit uses a built-in charging protection circuit that manages input voltage between 4.5V and 5.5V, helping to protect your batteries and connected devices. The shell is constructed with durable ABS plastic and contains no high-concern chemicals. Always use quality 18650 cells from a reputable source for best and safest results.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do 18650 batteries come included with this power bank case kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the 18650 batteries are not included. This kit includes only the DIY shell\/case and charging circuit board. You will need to purchase two standard 18650 rechargeable lithium-ion batteries separately to use with this power bank case kit.\"}}, {\"@type\": \"Question\", \"name\": \"What devices can I charge with this 2×18650 USB power bank kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DIY power bank case kit is compatible with any USB-powered device, including smartphones, MP3 players, Bluetooth earbuds, small tablets, and other portable electronics. Simply plug your USB charging cable into the output port to charge your device.\"}}, {\"@type\": \"Question\", \"name\": \"Is this power bank case kit safe to use?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. The kit uses a built-in charging protection circuit that manages input voltage between 4.5V and 5.5V, helping to protect your batteries and connected devices. The shell is constructed with durable ABS plastic and contains no high-concern chemicals. Always use quality 18650 cells from a reputable source for best and safest results.\"}}]}\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\": \"DIY 2x18650 USB Power Bank Case Kit – Battery Charger Shell\", \"item\": \"https:\/\/n8ande-60.myshopify.com\/products\/diy-2x18650-usb-power-bank-case-kit-battery-charger-shell\"}]}\u003c\/script\u003e","brand":"Axl","offers":[{"title":"Default Title","offer_id":44167282688087,"sku":"\u003cnone\u003e","price":10.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6008\/7383\/files\/S4d964d985b5e42909e074ef95b0a486ag.webp?v=1786760587","url":"https:\/\/axlcustomersupport.com\/products\/diy-2x18650-usb-power-bank-case-kit-battery-charger-shell","provider":"Axl","version":"1.0","type":"link"}