Features: 1. Input Output Voltage: The input voltage range of the DC to DC converter is DC 18-40V, the output voltage is DC 12V, the maximum output current is 3A, and the output power is 36W. 2. High Conversion Efficiency: The module adopts highly integrated chips, which are stable and reliable; uses synchronous rectification technology, achieving conversion efficiency over 90% with low heat generation. 3. Multi Protection: The voltage transformer includes over current protection and over temperature protection; utilizes potting process, providing waterproof, dustproof, and shockproof characteristics. 4. Application: The 12V buck boost converter can be used in integrated wiring for monitoring and fire alarm systems; car radio and audio systems; buses, minibuses, truck display screens, taxi advertising screens; LCD TVs, LEDs; solar power generation systems, and more. 5. Aluminum Alloy Shell: The car DC to DC converter is constructed from aluminum alloy material, offering high strength, rust resistance, improved heat conduction and dissipation, and IP68 protection rating. Specification: Item Type: Car Voltage Converter Material: Aluminum Alloy Conversion Efficiency: >90% Output Current: 3A Output Power: 36W Output Peak Power: 130% Load Modulation Frequency: <2% No Load Current: <20mA Ripple: <40mV Working Temperature: -30°C to 80°C Waterproof Grade: IP68 Application: Automobile, ship, yacht, railway, aviation, instrumentation, communication, wind energy photovoltaic system, LED field Package List: 2 x Car Voltage Converter