{"product_id":"portable-power-bank-diy-kit-22-5w-fast-charging-2-21700-battery-case-quick-release-battery-housing-emergency-power-box","title":"DIY Power Bank Case for Two 21700 Cells","description":"\u003cp\u003eBuild a portable power-bank setup around suitable rechargeable cells. This quick-release case accepts two flat-top 21700 batteries, supplied separately.\u003c\/p\u003e\u003cp\u003e✅ \u003cstrong\u003eReplace compatible cells when needed\u003c\/strong\u003e - The detachable quick-release design gives access to the batteries instead of sealing them into the housing.\u003c\/p\u003e\u003cp\u003e✅ \u003cstrong\u003ePower suitable low-current devices\u003c\/strong\u003e - A low-current mode supports an appropriate operating setting for smaller loads.\u003c\/p\u003e\u003cp\u003e✅ \u003cstrong\u003eKeep a cable with the case\u003c\/strong\u003e - The supplied dual-ended cable also works as a carrying lanyard.\u003c\/p\u003e\u003ch2\u003eThis Is a Case, Not a Complete Battery Pack\u003c\/h2\u003e\u003cp\u003eInstall only matching flat-top 21700 cells that meet the case's requirements. Observe polarity and the cell and case instructions; batteries are not included.\u003c\/p\u003e\u003cp\u003eUSB-C input and output support specified power modes up to 22.5 W with compatible equipment. Available energy depends on the installed cells, so no fixed capacity applies to the empty housing.\u003c\/p\u003e\u003ch3\u003eTechnical details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDIY power-bank case\u003c\/li\u003e\n\u003cli\u003eTwo flat-top 21700 cells required, not included\u003c\/li\u003e\n\u003cli\u003eQuick-release battery access\u003c\/li\u003e\n\u003cli\u003eUSB-C input \/ output\u003c\/li\u003e\n\u003cli\u003eUp to 22.5 W on supported modes\u003c\/li\u003e\n\u003cli\u003eLow-current mode\u003c\/li\u003e\n\u003cli\u003eCase and dual-ended cable\u003c\/li\u003e\n\u003c\/ul\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S24c44f2122ae49cdb9fa7d4d2588e2d7i.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6585dd9babd4423e8855fdfd4e0583c0d.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S83ebbb47ea944c6cb6b19bf038b54d511.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S6fa283cf0eeb452982bdb7a78f525af9F.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8cc1b6313f5e4d51b9d1d86df50c1b9c0.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S9eb5defc6c8c4746961c48313e8f9c6fs.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S31a741fcd86a4f668cfaca6e558fbe381.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd23642d298114958b48d919935ca017ft.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S00175ac50459461194f1418032641d206.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8b05e33063cb48ee88afc30ec9e30b3f0.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd77820b2587a4fa2bfa0f12b230edb15N.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S5165d7d0c4ee4b67ac0422baef353571g.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S625fb04096114c7da4dcc32b8ffa1b036.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S11a8c789c52c4df89bee7a76a6ac9521l.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S8aefe63b783c43febf35f6525df0b805D.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/Sd2a6eb6b1992450eb143d2c4a2ab51c7N.jpg\" slate-data-type=\"image\"\u003e\u003cimg src=\"https:\/\/ae-pic-a1.aliexpress-media.com\/kf\/S872bf7b9804d416295a239832954e6344.jpg\" slate-data-type=\"image\"\u003e\u003cp\u003e\u003cstrong\u003eChoose the case for a correctly matched two-cell power-bank build.\u003c\/strong\u003e\u003c\/p\u003e","brand":"Spy-shop.com","offers":[{"title":"WHITE","offer_id":63979523047754,"sku":"1005012465671254-WHITE","price":34.72,"currency_code":"EUR","in_stock":true},{"title":"Grey","offer_id":63979523080522,"sku":"1005012465671254-Grey","price":34.72,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/5980\/2954\/files\/Sef11f16adb604e1d8df63a2675848dab1.webp?v=1792352819","url":"https:\/\/spy-shop.com\/products\/portable-power-bank-diy-kit-22-5w-fast-charging-2-21700-battery-case-quick-release-battery-housing-emergency-power-box","provider":"Spy-shop.com","version":"1.0","type":"link"}