{"product_id":"22-5w-qc4-pd3-power-bank-module-diy-circuit-board-5-port-fast-charging","title":"22.5W QC4+ PD3.0 Power Bank DIY Module – 5-Port Fast Charge","description":"\n\u003ch2\u003e22.5W 5-Port Dual Fast Charging Power Bank Circuit Board – QC4+ PD3.0 DIY Module\u003c\/h2\u003e\n\u003cp\u003eBuild your own high-speed power bank with this compact, feature-packed \u003cstrong\u003e22.5W charging module\u003c\/strong\u003e from OULLX. Supporting both \u003cstrong\u003eQualcomm Quick Charge 4+ (QC4+)\u003c\/strong\u003e and \u003cstrong\u003eUSB Power Delivery 3.0 (PD3.0)\u003c\/strong\u003e, this all-in-one DIY motherboard delivers rapid charge speeds across five ports simultaneously — perfect for electronics enthusiasts, makers, and DIY power bank projects.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e22.5W Maximum Output\u003c\/strong\u003e — Supports fast charging protocols including QC4+, PD3.0, OPPO flash charging, and Huawei Super Fast Charging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e5 Charging Ports\u003c\/strong\u003e — Multiple Type-C and Micro-USB outputs for simultaneous device charging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-In Protection Chip\u003c\/strong\u003e — Integrated overcharge, over-discharge, and short-circuit protection; no additional battery protection board required\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Battery Compatibility\u003c\/strong\u003e — Works with 4.2V 18650, polymer, and ternary lithium batteries (supports parallel connection of multiple 18650 cells)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePreset Battery Capacity Display\u003c\/strong\u003e — The motherboard must have battery capacity pre-configured for accurate level indication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInternal Installation\u003c\/strong\u003e — Designed to be mounted inside your custom power bank enclosure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Protocol Support\u003c\/strong\u003e — Different charging protocols automatically negotiate the optimal power output for connected devices\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes Before Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eThe wire connecting the battery to the motherboard must be rated to withstand a current of \u003cstrong\u003e10A or higher\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eThe board includes a built-in protective chip — \u003cstrong\u003edo NOT add an external battery protection board\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo not charge a phone\u003c\/strong\u003e while using crocodile clips for testing the motherboard.\u003c\/li\u003e\n  \u003cli\u003eCompatible batteries: \u003cstrong\u003e4.2V 18650, polymer, or ternary lithium\u003c\/strong\u003e. Multiple 18650 cells may be connected in parallel. \u003cstrong\u003eNOT compatible\u003c\/strong\u003e with ferroelectric, disposable dry-cell, NiMH, lead-acid, or nickel batteries.\u003c\/li\u003e\n  \u003cli\u003eBattery capacity must be preset on the motherboard before use.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOULLX\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\u003e22.5W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 (Type-C + Micro-USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCharging Protocols\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQC4+, PD3.0, OPPO Flash, Huawei Super Fast Charging\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Batteries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.2V 18650 \/ Polymer \/ Ternary Lithium\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInstallation Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eInternal\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 Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eYou May Also Like\u003c\/h3\u003e\n\u003cp\u003eLooking for more tools and accessories for your DIY projects? Check out our \u003ca href=\"\/products\/leather-hole-punch-tool-diy-stitching-punch-4-5-6mm\"\u003eLeather Hole Punch Tool | DIY Stitching Punch 4\/5\/6mm\u003c\/a\u003e and the \u003ca href=\"\/products\/airtight-transparent-pet-storage-bottle-craft-beads-home-organization\"\u003eAirtight Transparent PET Storage Bottle | Beads \u0026amp; Crafts\u003c\/a\u003e — ideal for organizing your components and hardware.\u003c\/p\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: What battery types are compatible with this 22.5W power bank module?\u003c\/h4\u003e\n\u003cp\u003eA: This DIY power bank circuit board is compatible with \u003cstrong\u003e4.2V 18650 lithium cells, polymer lithium batteries, and ternary lithium batteries\u003c\/strong\u003e. Multiple 18650 cells can be connected in parallel to increase capacity. It is NOT compatible with ferroelectric, disposable dry, NiMH, lead-acid, or nickel batteries.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does this board support fast charging for both Android and Apple devices?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The module supports \u003cstrong\u003eQC4+ and USB-PD 3.0\u003c\/strong\u003e, which covers a wide range of devices including iPhones (via PD), Samsung, and other Android devices. It also supports OPPO Flash Charging and Huawei Super Fast Charging protocols. Actual charging speed depends on the device's supported protocol.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need to add an external battery protection board with this module?\u003c\/h4\u003e\n\u003cp\u003eA: No — this motherboard already includes a \u003cstrong\u003ebuilt-in protective chip\u003c\/strong\u003e that handles overcharge, over-discharge, and short-circuit protection. Adding an external battery protection board is not only unnecessary but should be avoided, as it may interfere with proper operation.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What wire gauge should I use to connect the battery to the module?\u003c\/h4\u003e\n\u003cp\u003eA: The battery connecting wire must be capable of handling at least \u003cstrong\u003e10A of continuous current\u003c\/strong\u003e. Using undersized wiring can cause overheating or damage the board. We recommend using appropriately rated silicone or copper wire for your build.\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\": \"What battery types are compatible with this 22.5W power bank module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DIY power bank circuit board is compatible with 4.2V 18650 lithium cells, polymer lithium batteries, and ternary lithium batteries. Multiple 18650 cells can be connected in parallel to increase capacity. 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