{"product_id":"diy-21700-battery-power-bank-case-pd-22-5w","title":"DIY 2x 21700 Battery Power Bank Case | PD 22.5W Fast Charge","description":"\u003ch2 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eBuild Your Own High-Speed Portable Charger\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eTake control of your mobile power quality with this customizable DIY 21700 battery case. Pre-made power banks often use cheap, degraded internal cells that lose capacity quickly. By building your own power bank using this premium enclosure, you can select high-quality 21700 lithium-ion batteries to ensure maximum lifespan and true capacity. It is the ultimate, cost-effective solution for DIY makers, frequent travelers, and tech repair technicians who demand reliable power.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003ePD 22.5W Fast Charging \u0026amp; Built-in Cable\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eCharge your devices rapidly without carrying a tangled mess of extra wires. This smart enclosure is equipped with an advanced motherboard supporting PD 22.5W two-way fast charging. It features a standard USB-A output port, a Type-C input\/output port, and a highly convenient built-in orange Type-C cable that doubles as a carrying lanyard. Whether you are charging an Android smartphone, an iPhone 15, or a tablet, this DIY case delivers optimal power efficiently.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eSmart Digital Display \u0026amp; Easy Operation\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003eMonitor your exact battery percentage and fast-charge status at a glance. The sleek black casing features a hidden digital LED display that shows your remaining power from 1% to 100%. Operation is incredibly simple: press the power button once to turn the device on, and press it twice to turn it off.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e💡 Pro Tip from Our Technicians\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp class=\"ng-star-inserted\"\u003e\u003cspan class=\"ng-star-inserted\"\u003e\"When assembling your DIY power bank,\u003cspan\u003e \u003c\/span\u003e\u003cstrong class=\"ng-star-inserted\"\u003eNEVER reverse the battery polarity!\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAlways double-check that the positive (+) and negative (-) ends of your 21700 batteries match the markings inside the battery slots. Inserting them upside down will instantly short-circuit and permanently burn the internal motherboard. Please note that this case does not include batteries. If you need reliable, high-capacity cells, you can purchase our\u003cspan\u003e \u003c\/span\u003e\u003ca href=\"https:\/\/scccltd.com\/products\/2pcs-21700-5000mah-lithium-battery?_pos=4\u0026amp;_psq=21700\u0026amp;_psid=2e9e5a84b\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"2-Pack 21700 Battery 5000mAh 3.7V\"\u003e2pcs 21700 5000mAh Lithium Batteries here.\u003c\/a\u003e Drop by our Sham Shui Po store, and our team at Sun Cheong Computer Co. Ltd. will gladly help you assemble it safely!\"\u003c\/span\u003e\u003c\/p\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":48002884436119,"sku":"21BY000328","price":45.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/files\/22w-fast-charge-power-bank-case-specifications.jpg?v=1783661265","url":"https:\/\/scccltd.com\/products\/diy-21700-battery-power-bank-case-pd-22-5w","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}