{"product_id":"22-5w-fast-charging-power-bank-case-21700-cells","title":"22.5W Fast Charging Power Bank Case for 21700 Cells","description":"\n\u003ch2\u003e22.5W Intelligent Fast Charging Power Bank Case\u003c\/h2\u003e\n\u003cp\u003ePower up your devices at maximum speed with this \u003cstrong\u003e22.5W high-efficiency charging case\u003c\/strong\u003e designed for 21700 battery cells. Built from durable \u003cstrong\u003eABS + PCB materials\u003c\/strong\u003e, this smart power bank shell delivers broad compatibility across smartphones, tablets, earbuds, and other USB-powered electronics — keeping you fully charged whether you're commuting, travelling, or working on the go.\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\u003e22.5W Fast Charging\u003c\/strong\u003e — Dramatically reduces charging time for compatible devices with high-efficiency power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual or Quad Cell Configuration\u003c\/strong\u003e — Supports 21700 × 2 or 21700 × 4 cell layouts (battery cores sold separately) for flexible capacity options.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Input\/Output Compatibility\u003c\/strong\u003e — Input: 5V\/2A, 5V\/3A, 9V\/2A, 12V\/1.5A | Output: 4.5V\/5A, 5V\/3A, 9V\/2A, 12V\/1.5A.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in Safety Mechanisms\u003c\/strong\u003e — Integrated overcharge and overheat protection for secure, stable charging every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSturdy ABS + PCB Construction\u003c\/strong\u003e — Engineered for reliable performance across daily and travel use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable in Black or White\u003c\/strong\u003e — Choose the colour that suits your style.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWho Is It For?\u003c\/h3\u003e\n\u003cp\u003ePerfect for busy professionals, frequent travellers, and multi-device users who need a dependable, portable power solution. Whether it's a daily commute, a business trip, or an outdoor adventure, this charging case ensures your electronics stay powered throughout.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterials\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eABS + PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\/2A | 5V\/3A | 9V\/2A | 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.5V\/5A | 5V\/3A | 9V\/2A | 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Charging Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e22.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCell Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e21700 × 2 or 21700 × 4 (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColour Options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, White\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × 22.5W Fast Charging Power Bank Case\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: 21700 battery cells are NOT included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eExplore more accessories and tools in our store:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-2-inch-8-piece-hex-short-socket-set-vanadium-steel\"\u003e1\/2\" Drive 8-Piece Hex Short Socket Set – Vanadium Steel\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\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\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: Are the 21700 battery cells included with the fast charging power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: No, the 21700 battery cells are not included. The package contains only the 22.5W fast charging power bank case shell. You will need to source compatible 21700 cells separately — either 2 or 4 cells depending on your chosen configuration.\u003c\/p\u003e\n\u003ch4\u003eQ: What devices are compatible with this 22.5W charging case?\u003c\/h4\u003e\n\u003cp\u003eA: This power bank case is compatible with a wide range of USB-powered electronics including smartphones, tablets, Bluetooth earbuds, and other devices that support standard USB charging protocols. Its multi-voltage output (4.5V–12V) ensures broad device compatibility.\u003c\/p\u003e\n\u003ch4\u003eQ: Does the power bank case have overcharge protection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The case features built-in safety mechanisms including overcharge and overheat protection, ensuring safe and stable charging for your connected devices.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I choose the colour of the power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, this charging case is available in Black and White. Please select your preferred colour option at the time of purchase.\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\": \"Are the 21700 battery cells included with the fast charging power bank case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the 21700 battery cells are not included. The package contains only the 22.5W fast charging power bank case shell. 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