{"product_id":"1500w-dc-dc-buck-power-supply-module-adjustable-led-driver","title":"Gaqqee 1500W DC-DC Buck Power Supply Module | LED Driver","description":"\n\u003ch2\u003eGaqqee 1500W Synchronous Rectifier DC-DC Step-Down Power Supply Module\u003c\/h2\u003e\n\u003cp\u003eThe Gaqqee 1500W Buck Power Supply Module is a high-performance, adjustable DC-DC step-down converter engineered for industrial-grade applications. Whether you're driving high-power LED lighting systems or managing battery charging, this module delivers stable, efficient, and adjustable constant voltage or constant current output with up to \u003cstrong\u003e95% typical efficiency\u003c\/strong\u003e. CE and RoHS certified, it's built for reliability and continuous operation.\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\u003eHigh-Power Output:\u003c\/strong\u003e Up to 1500W peak \/ 1200W rated — ideal for demanding LED driver and battery charging applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSynchronous Rectification Technology:\u003c\/strong\u003e Maximises energy efficiency (90%–97%), significantly reducing heat generation and energy consumption.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThree Model Variants:\u003c\/strong\u003e Choose from Model A, B, or C to match your exact input\/output voltage requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully Adjustable:\u003c\/strong\u003e Independently adjustable output voltage and current to flexibly meet varying load demands.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Display:\u003c\/strong\u003e Built-in output voltage and current digital readout for precise real-time monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstant Voltage Indicator:\u003c\/strong\u003e Dedicated CV indicator confirms stable output status at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIndustrial-Grade Durability:\u003c\/strong\u003e Rated for 0–65°C operating temperature, suitable for continuous industrial use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE \u0026amp; RoHS Certified:\u003c\/strong\u003e Compliant with EU Low Voltage Directive and environmental standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel Specifications At a Glance\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background:#f4f4f4;\"\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eModel A\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eModel B\u003c\/th\u003e\n      \u003cth style=\"border:1px solid #ddd; padding:8px;\"\u003eModel C\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eInput Voltage Range\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e15–90 VDC\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e15–140 VDC\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e15–140 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOutput Voltage Range\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e2.5–72 VDC\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e2.5–85 VDC\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e2.5–112 VDC\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMax Output Current\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e50A\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e35A\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e35A\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eRated Output Current\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e40A\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e30A\u003c\/td\u003e\n      \u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e30A\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eFull Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePeak Output Power:\u003c\/strong\u003e 1500W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Power:\u003c\/strong\u003e 1200W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Frequency:\u003c\/strong\u003e 70 kHz\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTypical Efficiency:\u003c\/strong\u003e 95% (range: 90%–97%)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMinimum Input-Output Voltage Drop:\u003c\/strong\u003e IN × 0.2\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0–65°C\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOutput Voltage Indicator:\u003c\/strong\u003e Yes (constant voltage indicator included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDigital Display:\u003c\/strong\u003e Yes (output voltage \u0026amp; current)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Safety Precautions\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eThis module is a \u003cstrong\u003estep-down (buck) converter only\u003c\/strong\u003e — it reduces voltage; it cannot boost voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo not reverse the positive and negative input terminals\u003c\/strong\u003e — there is no reverse polarity protection.\u003c\/li\u003e\n  \u003cli\u003eWhen connecting to a motor or battery charger, series-connect a Schottky diode rated ≥50A \/ 100V at the positive output terminal to prevent reverse current flow.\u003c\/li\u003e\n  \u003cli\u003eAvoid prolonged operation at maximum power or current. Maintain at least \u003cstrong\u003e20% reserve capacity\u003c\/strong\u003e during extended use.\u003c\/li\u003e\n  \u003cli\u003eInput power source capacity must \u003cstrong\u003eexceed 1.5× the output power\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDo not parallel multiple units\u003c\/strong\u003e to increase total power — this is not supported.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eStep-Down Buck Power Supply Module ×1\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\/ancient-nutrition-multi-collagen-advanced-muscle-60-capsules\"\u003eAncient Nutrition Multi Collagen Advanced Muscle 60 Capsules\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/bu-29mm-sinking-minnow-jerkbait-fishing-lure-bass-trout-pike\"\u003eB\u0026amp;U 29mm Sinking Minnow Jerkbait Lure – Bass Trout Pike\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/eye-face-protection\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on eye and face protection\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is a DC-DC buck power supply module and how does it work?\u003c\/h4\u003e\n\u003cp\u003eA: A DC-DC buck (step-down) power supply module takes a higher DC input voltage and converts it to a lower, adjustable DC output voltage. The Gaqqee 1500W module uses synchronous rectification technology operating at 70 kHz to do this efficiently — achieving up to 97% efficiency — making it ideal for LED driver applications and battery charging where stable, adjustable output is essential.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this buck module suitable for charging lithium or lead-acid batteries?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. This module supports constant-current and constant-voltage output modes, making it well-suited for charging various battery types. However, when connecting to a battery, you must series-connect a Schottky diode rated at 50A or higher (100V) at the positive output terminal to prevent reverse current from flowing back into the module.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Which model variant should I choose — A, B, or C?\u003c\/h4\u003e\n\u003cp\u003eA: Choose based on your input voltage source and desired output range. Model A supports 15–90 VDC input and up to 72 VDC output (max 50A). Models B and C handle up to 140 VDC input, with Model B outputting up to 85 VDC and Model C up to 112 VDC (both rated at 30A). Select the model whose output voltage range best matches your load requirements.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I connect two modules in parallel to get more power?\u003c\/h4\u003e\n\u003cp\u003eA: No. Parallel connection of multiple units is not supported and is not recommended. Doing so may cause instability or damage to the modules. For higher power needs, please select a single module with sufficient rated capacity for your application.\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 is a DC-DC buck power supply module and how does it work?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"A DC-DC buck (step-down) power supply module takes a higher DC input voltage and converts it to a lower, adjustable DC output voltage. The Gaqqee 1500W module uses synchronous rectification technology operating at 70 kHz to do this efficiently — achieving up to 97% efficiency — making it ideal for LED driver applications and battery charging where stable, adjustable output is essential.\"}}, {\"@type\": \"Question\", \"name\": \"Is this buck module suitable for charging lithium or lead-acid batteries?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes. This module supports constant-current and constant-voltage output modes, making it well-suited for charging various battery types. However, when connecting to a battery, you must series-connect a Schottky diode rated at 50A or higher (100V) at the positive output terminal to prevent reverse current from flowing back into the module.\"}}, {\"@type\": \"Question\", \"name\": \"Which model variant should I choose — A, B, or C?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Choose based on your input voltage source and desired output range. 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