{"product_id":"kebidumei-8x18650-diy-power-bank-case-22-5w-usb-c-fast-charging-shell","title":"KEBIDUMEI 8x18650 DIY Power Bank Case 22.5W USB-C Fast Charge","description":"\u003ch2\u003eBuild Your Own High-Capacity Portable Charger\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eKEBIDUMEI DIY 8x18650 Power Bank Case\u003c\/strong\u003e is the ultimate shell for building a powerful, portable charging station. Designed to house eight 18650 cells (batteries not included), this robust enclosure supports up to \u003cstrong\u003e20,000mAh\u003c\/strong\u003e of capacity and delivers blazing-fast 22.5W charging through its USB Type-C and USB-A ports. Whether you're charging a smartphone, tablet, or other USB-powered device, this case has you covered with a wide range of fast-charge protocols.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eNote: 18650 batteries are \u003cstrong\u003eNOT included\u003c\/strong\u003e. This product is the power bank shell\/case only.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUniversal Fast Charging:\u003c\/strong\u003e Supports PPS, PD3.0\/PD2.0, QC4+\/QC4\/QC3.0\/QC2.0, AFC, FCP, SCP, PE2.0\/PE1.1, and SFCP protocols for broad device compatibility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Efficiency:\u003c\/strong\u003e Input efficiency up to 96%, output efficiency up to 95% — maximizing every bit of stored energy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e22.5W Super Fast Charge Output:\u003c\/strong\u003e Delivers up to 5V\/4.5A or 4.5V\/5A for compatible devices, plus 9V\/2.5A and standard 5V\/3A or 9V\/2A modes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWireless Charging Mode Support:\u003c\/strong\u003e Compatible with wireless charging functionality for added versatility.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Power Display:\u003c\/strong\u003e Built-in digital readout shows remaining charge at a glance, plus an LED indicator light.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTemperature Loop Control:\u003c\/strong\u003e Integrated thermal management keeps your batteries and connected devices safe during charging cycles.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Battery Compatibility:\u003c\/strong\u003e Supports 4.2V, 4.35V, 4.4V, and 4.5V 18650 battery types, as well as JEITA specifications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomatic Load Detection:\u003c\/strong\u003e Smart light-load and automatic detection for optimized charging efficiency.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurable Build:\u003c\/strong\u003e Constructed from quality plastic with a leather-finish exterior in your choice of black or white.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSuper Fast Charge KA8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Slots\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8 × 18650 (batteries 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 20,000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\/2.1A, 5V\/1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFast Charge Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\/3A, 9V\/2A, 12V\/1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSuper Fast Charge Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\/4.5A, 4.5V\/5A, 9V\/2.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25W\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Input Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Display\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital Display + 1 LED Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic \u0026amp; Leather\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eColors Available\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBlack, White\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × KEBIDUMEI 8×18650 Power Bank Shell\/Case\u003c\/li\u003e\n  \u003cli\u003e⚠️ \u003cstrong\u003eBatteries are NOT included\u003c\/strong\u003e — you will need to source 8 compatible 18650 cells separately.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-inflatable-waist-cushion-travel-waist-support-portable-inflatable-waist-cushion-travel-pillow-complimentary-storage-bag\"\u003ePortable Inflatable Travel Waist Cushion \u0026amp; Support Pillow\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-press-type-inflatable-pillow-u-shaped-pillow-foldable-u-shaped-double-hump-neck-pillow-portable-outdoor-travel-pillow\"\u003eFoldable U-Shaped Inflatable Neck Pillow for Travel\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-compressible-inflatable-neck-pillow-portable-travel-cervical-support-pillow-inflatable-air-neck-rest-for-plane-naps\"\u003eCompressible Inflatable Travel Cervical Support Pillow\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: Does the KEBIDUMEI 8x18650 power bank case come with batteries included?\u003c\/h4\u003e\n\u003cp\u003eA: No, the batteries are \u003cstrong\u003enot included\u003c\/strong\u003e. This product is the power bank shell\/enclosure only. You will need to purchase 8 compatible 18650 lithium cells separately. It supports 4.2V, 4.35V, 4.4V, and 4.5V battery types.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What fast charging protocols does this power bank case support?\u003c\/h4\u003e\n\u003cp\u003eA: This DIY power bank shell supports a wide range of fast-charge protocols including PPS, PD3.0\/PD2.0, QC4+, QC4, QC3.0, QC2.0, AFC, FCP, SCP, PE2.0, PE1.1, and SFCP — making it compatible with most modern smartphones and USB-C devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum output power of this 18650 power bank case?\u003c\/h4\u003e\n\u003cp\u003eA: The maximum output power is \u003cstrong\u003e25W\u003c\/strong\u003e, with a super fast charge output of up to 22.5W (5V\/4.5A or 4.5V\/5A). Output efficiency reaches up to 95%, ensuring minimal energy waste during charging.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this power bank case safe to use with different battery voltages?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The case features built-in temperature loop control, JEITA specification compliance, and automatic load detection to help maintain safe and stable operation across supported 18650 battery types (4.2V–4.5V).\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\": \"Does the KEBIDUMEI 8x18650 power bank case come with batteries included?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No, the batteries are not included. This product is the power bank shell\/enclosure only. You will need to purchase 8 compatible 18650 lithium cells separately. It supports 4.2V, 4.35V, 4.4V, and 4.5V battery types.\"}}, {\"@type\": \"Question\", \"name\": \"What fast charging protocols does this power bank case support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DIY power bank shell supports a wide range of fast-charge protocols including PPS, PD3.0\/PD2.0, QC4+, QC4, QC3.0, QC2.0, AFC, FCP, SCP, PE2.0, PE1.1, and SFCP — making it compatible with most modern smartphones and USB-C devices.\"}}, {\"@type\": \"Question\", \"name\": \"What is the maximum output power of this 18650 power bank case?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The maximum output power is 25W, with a super fast charge output of up to 22.5W (5V\/4.5A or 4.5V\/5A). Output efficiency reaches up to 95%, ensuring minimal energy waste during charging.\"}}, {\"@type\": \"Question\", \"name\": \"Is this power bank case safe to use with different battery voltages?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. 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