High-concerned chemical-free and customized design: This DC/DC converter is crafted without the use of high-concerned chemicals, ensuring a safer and more environmentally friendly operation. Its design is tailored to meet specific power supply needs, making it ideal for specialized applications. Efficient and powerful output: With an output current of up to 4.5A and a frequency of 50HZ, this model SDL1256/5704D5DC converter efficiently boosts power from 12V to 56V/57V. It delivers a robust output power of 201-300W, suitable for demanding electronic devices. Compact and lightweight construction: Weighing just 280g and measuring 74*74*32mm, this converter is designed for easy installation and handling. Its compact size does not compromise its performance, making it an excellent choice for space-constrained applications. Certified reliability and safety: The GYVRM DC/DC converter is certified by CE, FCC, and RoHS, ensuring that it meets stringent quality and safety standards. This certification guarantees that the product is reliable and safe for use in various environments. Origin and brand assurance: Manufactured in Mainland China under the reputable brand GYVRM, this converter promises craftsmanship and performance. The brand is known for its commitment to excellence and customer satisfaction. Specifications: Model: DC-DC 12V TO 56V/57V 3A 5A BOOST Applications: Industrial automation control, research equipment, LED lighting, industrial control equipment, car equipment, power equipment, instrumentation, refrigeration air purifiers, electronic refrigerators, LCDs, LED displays, audiovisual products, security systems, digital products, and various instruments. User's Manual: Converts 12V battery voltage to 56V/57V DC. Not to be fully loaded for long-term use; recommended at 50% maximum power for optimal performance. Precautions: Ensure correct polarity and use pure copper wires. Input and output cables should not exceed 2 meters to avoid voltage drop. Install a fuse