{"product_id":"20a-300w-cc-cv-step-down-buck-converter-dc-6-40v-to-1-2-36v-adjustable-voltage-regulator","title":"20A 300W CC CV Buck Converter DC 6-40V to 1.2-36V Step-Down","description":"\n\u003ch2\u003e20A 300W CC CV Step-Down Buck Converter — Adjustable DC 6-40V to 1.2-36V\u003c\/h2\u003e\n\n\u003cp\u003eMeet your go-to power regulation solution: the \u003cstrong\u003e20A 300W Constant Current \/ Constant Voltage (CC CV) Step-Down Buck Converter\u003c\/strong\u003e. Whether you're powering LED drivers, battery chargers, DIY electronics, or lab bench setups, this compact module delivers rock-solid, adjustable DC output you can count on. With a wide input range of \u003cstrong\u003e6–40V DC\u003c\/strong\u003e and an output range of \u003cstrong\u003e1.2–36V DC\u003c\/strong\u003e, it handles a broad variety of projects with ease.\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 \u003cstrong\u003e300W \/ 20A\u003c\/strong\u003e continuous output for demanding applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Mode Regulation:\u003c\/strong\u003e Switch seamlessly between \u003cstrong\u003eConstant Current (CC)\u003c\/strong\u003e and \u003cstrong\u003eConstant Voltage (CV)\u003c\/strong\u003e modes for precise, stable power delivery.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Adjustable Range:\u003c\/strong\u003e Input: DC 6–40V | Output: DC 1.2–36V — versatile enough for most DC power projects.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Space-Saving:\u003c\/strong\u003e Measures just \u003cstrong\u003e60 × 53 × 27 mm (2.36 × 2.08 × 1.06 in)\u003c\/strong\u003e — big performance in a small footprint.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDC Motor Compatible:\u003c\/strong\u003e Powered by DC supply; works with DC motor-driven systems and a wide range of electronic loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStable Power Delivery:\u003c\/strong\u003e Built-in feedback circuitry maintains consistent output even under varying load conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEasy Integration:\u003c\/strong\u003e Ready to wire into your existing circuit — no complex setup required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 6–40V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC 1.2–36V (adjustable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Output Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\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\u003e300W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRegulation Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCC (Constant Current) \/ CV (Constant Voltage)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60 × 53 × 27 mm \/ 2.36 × 2.08 × 1.06 in\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eQme\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY electronics \u0026amp; maker projects\u003c\/li\u003e\n  \u003cli\u003eLED strip and LED array drivers\u003c\/li\u003e\n  \u003cli\u003eLithium-ion \/ LiPo battery charging systems\u003c\/li\u003e\n  \u003cli\u003eLab bench variable power supplies\u003c\/li\u003e\n  \u003cli\u003eMotor speed control\u003c\/li\u003e\n  \u003cli\u003eSolar panel output regulation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Buck Converter?\u003c\/h3\u003e\n\u003cp\u003eUnlike basic voltage regulators, this module offers \u003cstrong\u003etrue CC+CV dual-mode control\u003c\/strong\u003e — essential for safely charging batteries or driving LEDs without overcurrent risk. The robust 300W design handles serious loads while keeping the form factor impressively compact. It's a smart, reliable upgrade for hobbyists and engineers alike.\u003c\/p\u003e\n\n\u003cp\u003eFor more guidance on safe electrical wiring practices and working with DC power modules, refer to \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What does CC CV mean in this step-down buck converter module?\u003c\/h4\u003e\n\u003cp\u003eA: CC stands for \u003cstrong\u003eConstant Current\u003c\/strong\u003e and CV stands for \u003cstrong\u003eConstant Voltage\u003c\/strong\u003e. In CC mode, the module maintains a fixed output current regardless of load changes — ideal for battery charging and LED driving. In CV mode, it holds a steady output voltage — perfect for powering electronics that require a specific voltage. This 20A 300W module automatically switches between both modes as needed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the input and output voltage range of this buck converter?\u003c\/h4\u003e\n\u003cp\u003eA: This step-down DC converter accepts an input voltage of \u003cstrong\u003eDC 6V to 40V\u003c\/strong\u003e and provides an adjustable output voltage of \u003cstrong\u003eDC 1.2V to 36V\u003c\/strong\u003e. Note that the output must always be lower than the input (it is a step-down \/ buck design, not a boost converter).\u003c\/p\u003e\n\n\u003ch4\u003eQ: How do I connect and use this 300W step-down module?\u003c\/h4\u003e\n\u003cp\u003eA: Connect your DC power source (6–40V) to the input terminals and your load to the output terminals. Use the onboard potentiometers to adjust the output voltage and current to your desired levels. Always ensure your wiring is rated for the current you plan to draw, and consider adding a heatsink or fan for sustained high-current operation near the 20A \/ 300W maximum.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is a battery included with the module?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, a battery is included with this module as noted in the product specifications. The module itself operates on DC power supply and is compatible with DC motor-driven systems.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What size is this step-down converter module?\u003c\/h4\u003e\n\u003cp\u003eA: The module measures \u003cstrong\u003e60 × 53 × 27 mm (approximately 2.36 × 2.08 × 1.06 inches)\u003c\/strong\u003e, making it compact and easy to integrate into enclosures, project boxes, or existing equipment.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does CC CV mean in this step-down buck converter module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"CC stands for Constant Current and CV stands for Constant Voltage. In CC mode, the module maintains a fixed output current regardless of load changes — ideal for battery charging and LED driving. In CV mode, it holds a steady output voltage — perfect for powering electronics that require a specific voltage. This 20A 300W module automatically switches between both modes as needed.\"}}, {\"@type\": \"Question\", \"name\": \"What is the input and output voltage range of this buck converter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This step-down DC converter accepts an input voltage of DC 6V to 40V and provides an adjustable output voltage of DC 1.2V to 36V. Note that the output must always be lower than the input (it is a step-down \/ buck design, not a boost converter).\"}}, {\"@type\": \"Question\", \"name\": \"How do I connect and use this 300W step-down module?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Connect your DC power source (6–40V) to the input terminals and your load to the output terminals. Use the onboard potentiometers to adjust the output voltage and current to your desired levels. 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