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Main image of DC 12V to 3.7V 10A 37W DC Step-Down Power Converter Power Transformer | Aluminum Shell; Passive Cooling; Quiet Operation; High Efficiency; 100,000-hour lifespan; With Protection Funtion

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DC 12V to 3.7V 10A 37W DC Step-Down Power Converter Power Transformer | Aluminum Shell; Passive Cooling; Quiet Operation; High Efficiency; 100,000-hour lifespan; With Protection Funtion

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12V to 9 Selectable Output Voltages: Seamlessly steps down 12V DC to 3V/3.3V/3.7V/4.2V/5V/6V/7.2V/8.4V/9Vfor versatile use with Arduino, dash cams, LED lights, and all 3V-9V devices in cars, trucks, ships.; Durable Aluminum Shell & Epoxy Potting: Sturdy aluminum housing with epoxy potting resists impact, moisture, and wear; natural air convection cooling ensures stable operation in harsh environments and DIY settings.; High Efficiency & 100,000-Hour Lifespan: High-efficiency power conversion reduces energy waste, and the 100,000-hour service life means reliable.; 3-in-1 Safety Protection: Low voltage, overload, and overheat protection safeguards your 3V-9V devices and the converter, providing peace of mind for automotive, marine, and DIY electronics use.; Non-Isolated Design & Easy Installation: Non-isolated input/output ensures efficient power transfer; 100% brand new, compact design fits tight spaces.

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Product description NWANSI DC 12V to 3V/ 3.3V / 3.7V / 4.2V /5V/6V/ 7.2V / 8.4V /9V Step-Down Power Converter Product Description No isolation between input and output. Aluminum shell, epoxy potting. Natural air convection cooling. High efficiency, life span up to 100, 000 hours. Low voltage, overload and overheat protection.

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First Listed on Newegg	August 16, 2026

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Item#: 9SIC5JSM470845