Feature:1. Wide Application: Suitable for automobile, ship, yacht, railway, aviation, instrument, communication, wind energy photovoltaic system, LED field.2. Power and Current: Input voltage range is DC 8V36V; Output voltage is DC 13.8V(non adjustable); Output current is 20A; Output power is 276W.3. Powerful Guard: With multiple protections, such as Over load, Over current, Over temperature, Short circuit, Over voltage guard.4. High Conversion Efficiency: Multiple intelligent guard functions of synchronous rectification technology, high conversion efficiency and good stability. The conversion efficiency can reach 96%.5. Sturdy Material: Volt step down converter is made of aluminum shell and silicone sealed design,water resistant, anti shock, anti humidity and dust proof, more sturdy.Specification:Item Type: Step Down Up ConverterMaterial: Aluminum + silica gelConversion Efficiency: 96%Output Current: 20AOutput Power: 276WLoad Regulation Frequency: 2%Ripple&Noise: 170mVp-PNo Load Loss: 90mAOperating Temperature: - 40 - 80 Water Resistant Grade: IP68Input Wiring Specification: Wire gauge 12AWG (red positive, black negative)Output Wiring Specification: Wire gauge 14AWG (yellow positive, black negative)Application: For automobile, ship, yacht, railway, aviation, instrument, communication, wind energy photovoltaic system, LED field.Package List:1 x Step Down Up ConverterNote: