Step down converter 12V: Input voltage: DC 17V-55V; Output voltage: DC 12V( fixed voltage); Output current: 20A; Output power: 240W High quality material: The DC to DC converter is an aluminum case with silicone sealed, which make it more durable. It also has good heat dissipation, waterproof and shockproof effects Protection design: Step down voltage converter 12V is built-in intelligent chip, with short-circuit, over-current, over-voltage, overload and other protection functions. Protect your equipment safety High conversion efficiency: Synchronous rectification technology to reduce rectification loss and improve the overall conversion efficiency. Conversion efficiency can reach 96% Wide Application: 48V to 12V step down converters are widely used in automobile trucks, golf carts, LED strip lights, monitoring systems, motors, automobile headlights, automobile lights and DIY, etc.