{"product_id":"dual-usb-power-bank-pcb-module-5v-1a-2-1a-18650-diy","title":"Dual USB Power Bank PCB Module 5V 1A 2.1A | 18650 DIY","description":"\u003ch2\u003eDual USB Power Bank PCB Module for 18650 Batteries\u003c\/h2\u003e\n\u003cp\u003eBuild your own portable charger or upgrade a DIY electronics project with this compact \u003cstrong\u003eDual USB Power Bank PCB Power Module\u003c\/strong\u003e by Baishundianzi. Designed for 18650 lithium batteries, this voltage regulator board delivers two independent USB output channels — a standard \u003cstrong\u003e5V 1A\u003c\/strong\u003e port and a fast-charge \u003cstrong\u003e5V 2.1A\u003c\/strong\u003e port — so you can charge a phone and another device simultaneously.\u003c\/p\u003e\n\n\u003cp\u003eWhether you're a hobbyist crafting a custom power bank, a maker integrating charging circuits into a project enclosure, or simply replacing a faulty module, this SMD board offers reliable performance across a wide operating temperature range of \u003cstrong\u003e-40°C to +85°C\u003c\/strong\u003e, making it suitable for demanding environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual USB Output:\u003c\/strong\u003e 5V 1A + 5V 2.1A — charge two devices at once\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with 18650 Lithium Batteries\u003c\/strong\u003e — ideal for DIY power bank builds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage Regulator Type:\u003c\/strong\u003e Stable 5V regulated output\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e 5V input\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSMD Package:\u003c\/strong\u003e Compact, board-mount design for easy integration\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Operating Temperature:\u003c\/strong\u003e -40°C to +85°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo High-Concern Chemicals:\u003c\/strong\u003e Clean, safe materials\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCustomizable:\u003c\/strong\u003e Suitable for bespoke DIY and maker projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 1 module per order\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Output 1\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUSB Output 2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V \/ 2.1A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e18650 Lithium Cell\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePackage Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSMD\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\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\u003ePerfect For\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY power bank builds using 18650 cells\u003c\/li\u003e\n  \u003cli\u003eMaker and hobbyist electronics projects\u003c\/li\u003e\n  \u003cli\u003ePCB module replacement and repair\u003c\/li\u003e\n  \u003cli\u003ePhone charging circuits and portable power solutions\u003c\/li\u003e\n  \u003cli\u003eArduino, Raspberry Pi, and other embedded system power supplies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Like\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/electromagnetic-induction-tester-coil-motherboard-fault-detector\"\u003eElectromagnetic Induction Tester – Coil \u0026amp; Circuit Fault Detector\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/air-compressor-pressure-gauge-0-10-0-12-0-25-bar-hydraulic-diy\"\u003eAir Compressor Pressure Gauge 0-10\/0-12\/0-25 Bar | DIY Tool\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/clip-on-car-fan-led-display-199-speeds-usb-type-c\"\u003eClip-On Car Fan LED Display 199 Speeds | USB \u0026amp; Type-C\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.energystar.gov\/products\" target=\"_blank\" rel=\"noopener\"\u003eENERGY STAR product efficiency guidance\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What type of battery does this Dual USB Power Bank PCB module support?\u003c\/h4\u003e\n\u003cp\u003eA: This PCB power module is designed specifically for \u003cstrong\u003e18650 lithium batteries\u003c\/strong\u003e. It is ideal for DIY power bank projects where you supply your own 18650 cells to create a portable charging solution.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I charge two devices at the same time using this module?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! The module features two independent USB output ports — a \u003cstrong\u003e5V 1A\u003c\/strong\u003e port for standard charging and a \u003cstrong\u003e5V 2.1A\u003c\/strong\u003e port for faster charging — allowing you to power two devices simultaneously.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this module suitable for outdoor or temperature-sensitive DIY applications?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. With a wide operating temperature range of \u003cstrong\u003e-40°C to +85°C\u003c\/strong\u003e, this power bank PCB module is well-suited for both indoor electronics projects and environments with temperature fluctuations, making it a versatile choice for makers and hobbyists.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What type of battery does this Dual USB Power Bank PCB module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This PCB power module is designed specifically for 18650 lithium batteries. It is ideal for DIY power bank projects where you supply your own 18650 cells to create a portable charging solution.\"}}, {\"@type\": \"Question\", \"name\": \"Can I charge two devices at the same time using this module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! 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